Pelco PT1280P User's Manual
Contents
1. 13 T 8 Servicing the Pan Tilt m 9 DIMENSION Drawing rere nnne reo nnne LIST OF TABLES Table Page A Maximum Cable Distances 40 0422 000 0 8 B Recommended Cable Distances Using RB115 Relay Box 8 2 Pelco Manual C379M G 12 98 Manual C379M G 12 98 REVISION HISTORY Rev A New format options edited mounting informa tion added wiring diagram added Rev B Wiring diagram for the PT1280P PP added warning section added additional mounting information added cable requirements expanded to include 7 conductors using 2 wire motor common Rev C Table of contents added electrical specs Rev D New PT1280SL PP wiring diagram added Associated specs and drawings updated Rev E New models added associated options updated associated specs updated wiring diagrams Rev F Revised to 2 column format Portions of the mounting section were rewritten In accordance with ECO 93 153 new diagrams added to replace the old cable distance and connector assy diagrams New wiring diagrams added for figures 3 4 5 amp 6 Note expanded on limit stop adjustment New and updated exploded assembly diagrams for figures 10 11 12 amp 13 Associated parts and hardware call outs added Revised Figure 6 to show correct wire color2. Figure 6 PT1280SL PP Wiring Diagram Pelco Manual C379M G 12 98 13 WARNING Do not operate the without limit stops Do not attempt to adjust the limit stops while the unit is operating Per sonal injury or damage to the unit may result Do not remove or reposition the fixed limit stop on the pan tilt DAMAGE WILL OCCUR NOTE The PT1280SL and the PT1280SL PP not have pan limit stops Disregard steps 1 5 14 3 4 LIMIT STOP ADJUSTMENTS To set pan tilt limit stops perform the following steps Refer to Figure 7 T 2 Loosen the pan limit stops Turn the control unit on Pan the unit to the right until the desired right pan limit is reached Move the right pan limit stop until it touches the pan limit switch actuator Move the stop a slight distance further against the actuator until it clicks to indicate the opening of the limit switch Lock the stop in place Pan the unit to the desired left position Adjust the left pan limit stop as de scribed in step 3 Pan left and right to both limit stops and check for exact positioning Tighten both stops securely Turn on the control if you are starting at this step Loosen the tilt limit stop Screws and tilt the table using the joystick to the desired up position Move the up limit stop until it touches the tilt limit switch actuator and clicks Lock the stop in place Tilt the table to the desired down position and
3. PRESET PRESET 17 F W BLK RED D WOR PINK BLK W BRN W RED LENS CO W ORG 5 12 ENCLOSURE AL W VID W B CAM A WHT ZOOM PRESET 23 GRY FOCUS PRES 4 W BLK BRN BLK W OR TAN GRN xe EJ E t om GRN V 2 CORE VIDEO SHIE SHIELD Figure 5 PT1280P PP Wiring Diagram 12 Pelco Manual C379M G 12 98 CAMERA ENCLOSURE MOUNTED HERE BOTH OF THESE FEED THROUGHS OTHER CONTROL GO TO THE SIGNAL FEED THRU CAMERA ENCLOSURE 5 SCOAX VIDEO ONLY PORTION OF THE WIRING THAT FEED THRU ENTERED THE PAN TILT HOUSING VIA THE P1 CONNECTOR CONNECTOR FROM CONTROLLER ALL CONTROL AND POWER FUNCTIONS ENTER THE PAN TILT HOUSING THROUGH THIS CONNECTOR COMMON REN SL 360 PRESET W CRY PAN PRESET 19 W BLK ORG TILT PRESET 20 W BLK YEL PRESET GRU r W BLK ZRED XEDAW OR PINK PRESET 45V 18 BLK W BRN Z W RED LENS W ORG G E lies ENCLOSURE AC ENC WAVIO VIO AC ENCL W BLU BLU CAM AC WHT WHT ZUM PRESET GRY GRY FOCUS PRESET I W BLK BRN OR TAN GND GR W GRN VIDEO SHIELD W BLK
4. t m UD Figure 3 PT1280P PT1280SL Wiring Diagram Pelco Manual C379M G 12 98 CAMERA ENCLOSURE MOUNTED HERE BOTH OF THESE IS FEED THROUGHS OTHER CONTROL GO TO THE SIGNAL FEED THRU CAMERA ENCLOSURE 5 ges COAX VIDEO ONLY A PORTION OF THE WIRING THAT FEED THRU ENTERED THE PAN TILT HOUSING VIA THE P1 CONNECTOR CONNECTOR FROM CONTROLLER ALL CONTROL AND POWER FUNCTIONS ENTER THE PAN TILT HOUSING THROUGH THIS CONNECTOR CONNEC TOR COMMON ORN WHT BK W BRN W RED ENS COMMON 13 W URG W AYEL W VIO W BLU W GR I W LK ENCLOSURE lt Figure 4 PT1280P HB Wiring Diagram Pelco Manual C379M G 12 98 11 w CAMERA ENCLOSURE 2 MOUNTED HERE BOTH OF THESE I FEED THROUGHS OTHER CONTROL GO TO THE SIGNAL FEED THRU CAMERA ENCLOSURE EN THIS REPRESENTS ONLY A PORTION OF THE WIRING THAT ENTERED THE PAN TILT HOUSING VIA THE P1 CONNECTOR CONNECTOR FROM CONTROLLER ALL CONTROL AND POWER FUNCTIONS ENTER THE PAN TILT HOUSING THROUGH THIS CONNECTOR CONNECTOR SI O D o1 RIGHT 7 BLU S2 o S3
5. PT1280P Series Pan Tilts Installation Operation Manual C379M G 12 98 Pelco 3500 Pelco Way Clovis CA 93612 5699 USA www pelco com In North America and Canada Tel 800 289 9100 or FAX 800 289 9150 International Customers Tel 1 559 292 1981 or FAX 1 559 348 1120 CONTENTS Section 1 0 GENERAL entend t d tete 1 1 IMPORTANT SAFEGUARDS AND WARNINGS 2 0 DESCRIPTION 2 4 MODELS 2 2 OPTIONS ds 2 3 CERTIFICATIONS anii 6 3 0 INSTALLATION miter ect 3 1 MOUNTING si 3 2 CAMERA ENCLOSURE MOUNTING 2 7 9 39 WIRING T 3 3 1 Mating Connector Assembly is 3 4 LIMIT STOP ADJUSTMENTS sese 4 0 OPERATION hene nir dtd d t n Pda cs 15 5 0 TROUBLESHOOTING ttti tete 5 1 SERVICE MANUAL 6 0 MAINTENANCE titt entienda d 6 1 TIGHTENING DRIVE CHAINS esee 6 2 CHAIN DRIVE LUBRICATION 6 3 MOTOR BRAKE REPLACEMENT 7 0 SPECIFICATIONS titt teinte iti tese ds 18 8 0 WARRANTY AND RETURN INFORMATION 20 LIST OF ILLUSTRATIONS Figure Page 1 Sealant Locations unione idee a Poe td dde ed 7 2 Connector Assembly wid 3 PT1280P PT1280SL Wiring Diagram 10 4 PT1280P HB Wiring Diagram wl 5 1280 Wiring Diagram 2 12 6 PT1280SL PP Wiring
6. 3 Insert the four new brake pads and four springs Replace the heat sink using the new screws Reinstall the cover If your pan tilt is installed in an inverted position apply RTV silicone sealant to the areas circled in Figure 1 Pelco Manual C379M G 12 98 17 7 0 SPECIFICATIONS 18 1280 PT1280SL Speed Torque Tilt Speed Maximum Load Gearing Bearings Pan Tilt Braking ELECTRICAL Input Voltage Power Requirements Running Starting Maximum Current Connectors Motors Limit Switches Pan Tilt Conductors Movement in horizontal plane 0 355 360 pan rotation 6 sec 1 No load condition 50 ft lb with specified voltage 90 movement in vertical plane 3 sec 5 No load condition 100 Ib 45 4 kg at 5 inches 12 7 cm from tilt table surface to center of gravity Adjustable worm gear final drive to prevent drift and minimize backlash Heavy duty ball bearings Oilite bronze bushing Mechanical 120 VAC 60 Hz required for pan tilt Pan Tilt 48 amp 57 5 vA 48 57 5 vA 60 72 5 60 amp 72 5 vA 2 amps per conductor SL models only Amp CPC type mate supplied Two phase induction type continuous duty instantaneous reversing 5 amp external adjustment 5 amp external adjustment 6 or 7 unshielded Functions left right up down motor common safety ground No
7. pan and tilt gears chains and sprockets refer to Figure 8 2 Operate the pan and tilt motors to spread the grease across the parts 3 Apply additional grease if necessary 4 Reinstall the cover If the pan tilt is installed outdoors in an inverted position apply RTV silicone sealant as shown in Figure 1 APPLY GREASE TO THESE LOCATIONS APPLY GREASE TO THESE LOCATIONS LOCATIONS APPLY GREASE TO THESE LOCATIONS Figure 8 Servicing the Pan Tilt 16 Pelco Manual C379M G 12 98 6 3 WARNING The knife To order replacement motor brakes specify part number 1250BRAKE The kit con blade included in the sists of four springs four Teflon pads two screws and a small knife blade for re brake kit is very sharp moving the old brake pads It should be handled carefully and disposed 1 Remove the large rectangular heat sink from the back of the pan motor Re move the four springs Do not disturb the silicone heat sink compound It en sures the transfer of heat to the heat sink and MUST be present when the heat sink is replaced of properly after use 2 Use the knife blade to remove the worn pads as follows a Insert the knife blade into the opening and press firmly into the brake pad b Before trying to remove the brake pad twist the knife blade This will loosen the worn pad and make removal easier c Gently twist the blade as you pull the worn pad out
8. rubber boot Refer to Detail A in Figure 2 Prepare the wires from the conductor cable as follows a Strip atleast 1 inch 2 54 cm from the cable jacket to expose the wires You may need to strip more from the cable jacket if you have more wires b Strip 1 8 inch 0 125 cm from each wire c Using style crimper crimp the wires and their insulation to the connector pins Slide the connector pins into the appropriate holes in the connector body until they snap into place Refer to detail B in Figure 2 and to Figures 3 6 for correct pin arrangement depending on model and options Push the connector clamp assembly with boot if used toward the connector body Screw the clamp assembly onto the connector body being careful not to disturb the wires To complete the assembly attach the appropriate clamp with the screws pro vided and tighten Connector Assembly CONNECTOR COMMON LENS COMMO CAM A AC ENCL ENCL VIDEO CAMERA ENCLOSURE MOUNTED HERE BOTH OF THESE I FEED THROUGHS OTHER CONTROL GO TO THE SIGNAL FEED THRU CAMERA ENCLOSURE THIS REPRESENTS N COAX VIDEO ONLY A PORTION OF THE WIRING THAT FEED THRU ENTERED THE PAN TILT HOUSING VIA THE P1 CONNECTOR 7 CONNECTOR FROM CONTROLLER ALL CONTROL AND POWER FUNCTIONS ENTER THE PAN TILT HOUSING THROUGH THIS CONNECTOR TU ENCLUSURE lt 170 m
9. additional conductors for auto scan when used with solid state control PP option requires additional 4 conductors Pelco Manual C379M G 12 98 GENERAL Dimensions See Figure 9 Construction Aluminum casting and plate Finish Textured semi gloss beige enamel Environment Completely weatherproof for indoor outdoor operation Temperature 10 to 120 F 23 33 to 48 89 Weight Unit Shipping 54 Ib 24 49 kg 5810 26 30 kg Design and product specifications subject to change without notice A B C D E F G H 41 104 14 LONG CORDS 0 375 95 EQ SP ON 07 00 17 78 B C 0 375 95 EQ SP ON 97 55 18 41 B C NOTE VALUES IN PARENTHESES ARE CENTIMETERS ALL OTHERS ARE INCHES Figure 9 Dimension Drawing Pelco Manual C379M G 12 98 19 8 0 WARRANTY AND RETURN INFORMATION WARRANTY Pelco will repair or replace without charge any merchandise proved defective in material or workman ship for a period of one year after the date of shipment Exceptions to this warranty are as noted below Five years on FT FR8000 Series fiber optic products Three years on Genex Series products multiplexers server and keyboard Three years on Camclosure and fixed camera models except the CC3701H 2 CC3701H 2X CC3751H 2 CC3651H 2X MC3651H 2 and CC3651H 2X camera models which have a five year warranty Two years on standard motorized or fixed focal length lenses Two yea
10. camera and lens combination The product and or manual may bear the following marks This symbol indicates that dangerous voltage constituting a risk of electric shock is present within this unit maintenance instructions in the literature accompanying this unit 1 This symbol indicates that there are important operating and CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRICAL SHOCK DO NOT REMOVE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL Please thoroughly familiarize yourself with the information in this manual prior to installation and operation Pelco Manual C379M G 12 98 5 2 0 DESCRIPTION Pan tilts in the PT1280P Series are heavy duty capable of handling loads up to 100 Ib They feature rugged high torque AC motors with adjustable worm gear final drives to insure long operational life as well as drift free operation The PT1280 Series pan tilts are capable of auto random scan operation with the addition of the Pelco solid state auto random scan joystick control No additional conductors micro switches or relays are required for auto scan operation These pan tilts are factory pre wired for feed through of all control functions pan tilt motorized zoom lenses camera power 24 VAC enclosure accessories and video All connections are made at the input connector eliminating the need for wiring harnesses in t
11. d lens must be correctly mounted and balanced on the tilt table for proper operation 3 3 WIRING Cable distances for pan and tilt motors should not exceed the distances speci fied in Table A Cable fabrication must be in accordance with Section 3 3 1 Mat ing Connector Assembly The following are some recommended common instal lation practices 1 Always use jacketed stranded multi conductor interconnecting cable between the control and the pan tilt unit with additional conductors than needed for future servicing and or additions 2 Always use color coded conductors for ease of wiring and to identify functions at a later date 3 Keepa wiring diagram with the system for later use and reference the upright or inverted position Figure 1 Sealant Locations Table A Maximum Cable Distances Maximum Distance 6 Conductors 7 Conductors 489 ft 149 m 778 ft 237 m 1 235 ft 376 m 978 ft 298 m 1 556 ft 474 m 2 470 ft 752 m Using 2 wire motor common Conductors are for up down left and right functions motor common and ground Cable distances are for both motors running and assuming a 10 voltage drop in the cable Six conductor cable single common conductor is recommended Distances are approximate maximum recommended under the following conditions Simultaneous pan tilt activation Minimum 103 5 volts at Operating distance may be extended by using an RB115 remote relay box Ref
12. e your unit obtain a service manual in one of the following Ways Go to Pelco s web site at http www pelco com and find service manual C373SM Contact Pelco s Literature Department and request service manual C373SM 15 6 0 MAINTENANCE Inspect the pan tilt unit every six months to ensure trouble free operation and extended product life Harsh environments and or continuous motion applications may require more frequent maintenance Please read all of the instructions that follow before servicing the pan tilt To begin remove the three screws on the front of the pan tilt housing and lift the cover to gain access to the pan and tilt motor assemblies 6 1 TIGHTENING DRIVE CHAINS Check the pan and tilt drive chains for tension A movement of 1 32 of an inch to 3 32 of an inch in the chains is acceptable If the movement of a chain exceeds 3 32 of an inch adjust the chain as follows 1 Loosen the screws securing the motor to the mounting frame 2 Pry the motor to apply tension to the chain Do not over tension the drive chain 3 Keep tension on the chain while tightening the screws 6 2 CHAIN DRIVE LUBRICATION Sprockets chains and gears should be well greased If necessary lubricate the pan and tilt gears sprockets and chains as follows with a high quality grease ca pable of withstanding temperatures from 50 to 170 46 to 77 Do the fol lowing 1 Liberally apply grease to the
13. er to Table B for extended cable distances Table B Recommended Cable Distances Using RB115 Relay Box Maximum Distance feet 5 800 1 768 8 250 2 515 13 000 3 962 Distance feet 489 149 778 237 1 235 376 240 MPTA24DT MPTAZ24DT REQUIRES EXTERNAL POWER SUPPLY Pelco Manual C379M G 12 98 NOTE Contacts cannot be moved from the connector without the use of the appropriate AMP ex traction tool ZT305183 for the 16 pin connector or ZT91067 2 for the 28 pin connector which is avail able from Pelco NOTE When a pan tilt is mounted in the inverted position the LEFT RIGHT and UP DOWN functions are reversed during operation To correct this problem reverse the LEFT RIGHT functions in the con trol cable pins and 7 at the par tilt or control and the UP DOWN functions pins 5 and 6 at the pan tilt or control Pelco Manual C379M G 12 98 3 3 1 Mating Connector Assembly To assemble the mating connector refer to Figure 2 and perform the following steps The instructions that follow apply to all AMP style connectors regardless of pin size or pin number 1 Figure 2 Slide the connector clamp assembly over the conductor cable If the diameter of the conductor cable is such that the rubber boot will slide over it easily slide the rubber boot onto the conductor cable at this time If not discard the
14. gement of any rights of any party or product liability relating to the Products shall not exceed the price paid by the Dealer to Pelco for such Products In no event will Pelco be liable for any special incidental or consequential damages including loss of use loss of profit and claims of third parties however caused whether by the negligence of Pelco or otherwise The above warranty provides the Dealer with specific legal rights The Dealer may also have additional rights which are subject to variation from state to state If a warranty repair is required the Dealer must contact Pelco at 800 289 9100 or 559 292 1981 to obtain a Repair Authorization number RA and provide the following information 1 Model and serial number 2 Date of shipment P O number Sales Order number or Pelco invoice number 3 Details of the defect or problem If there is a dispute regarding the warranty of a product which does not fall under the warranty conditions stated above please include a written explanation with the product when returned Method of return shipment shall be the same or equal to the method by which the item was received by Pelco RETURNS In order to expedite parts returned to the factory for repair or credit please call the factory at 800 289 9100 or 559 292 1981 to obtain an authorization number CA number if returned for credit and RA number if returned for repair All merchandise returned for credit may be subject to a 20
15. he field This feature greatly reduces installation time while increasing the reliability and serviceability of the system The PT1280SL has the added feature of 360 pan rotation 2 1 MODELS PT1280P Heavy duty indoor outdoor pan tilt 120 VAC PT1208P HB Same as PT1280P except supplied with spot heaters in base blanket heater in cover 230 watts total 120 VAC 50 60 Hz PT1280P PP Same as PT1280P except with presets PT1280SL Heavy duty indoor outdoor pan tilt with SL option 360 pan rotation PT1280SL PP Same as PT1280SL except with presets 2 2 OPTIONS FG 1250P High speed gears 12 sec 6 sec tilt Reduces load to 50 Ib 22 68 kg FGP 1250P High speed gearing for pan 12 sec FGT 1250P High speed gearing for tilt 6 sec tilt Reduces load to 50 22 68 kg SEC Sector scan modification allows pan tiltto auto scan and manually override in present sector PT1280P 2 3 CERTIFICATIONS The products identified below have been tested and certified for agency compli ance as noted Agency Compliance Certification UL CSA cUL PT1280P PT1280P PP PT1280SL PT1280SL PP roo 21012023 Applicable CE FCC UL and CSA CUL directives standards UL Standard 2044 Additional applicable standards IP 32 Pelco Manual C379M G 12 98 3 0 INSTALLATION CAUTION Pan tilts the PT1280P Series are des
16. igned for upright or in verted operation and should never be mount ed horizontally NOTE When mounting the tilt outdoors in the inverted position base up RTV silicone sealant such as Dow Corning Type 732 or equivalent should be applied to the areas indicated in Figure 1 Pelco Manual C379M G 12 98 Pan tilts in the PT1280P Series are designed to mount onto a horizontal surface the upright or inverted position In order to ensure proper wiring and system operation of all components it is rec ommended that you test the pan tilt and the associated control equipment in your facility before field installation Refer to Sections 3 3 through 3 5 3 1 MOUNTING Attach the pan tilt unit to a mount following the instructions that accompany the mount To ensure maximum pan travel mount the pan tilt so that the fixed limit stop is directly opposite the center of the intended viewing area Make sure the mounting surface and the mounting method is strong enough to sup port four times the combined weight of the pan tilt enclosure camera and lens pan tilt unit weighs 54 pounds 24 49 kg Refer to the manuals for your enclosure camera and lens for the weights of those units The weight of the enclosure cam era and lens must not exceed 100 pounds 45 4 kg 3 2 CAMERA ENCLOSURE MOUNTING Attach the enclosure camera and lens to the pan tilt unit with 1 4 20 hardware not supplied The enclosure camera an
17. restocking and refurbishing charge Goods returned for repair or credit should be clearly identified with the assigned CA or RA number and freight should be prepaid Ship to the appropriate address below If you are located within the continental U S Alaska Hawaii or Puerto Rico send goods to Service Department Pelco 3500 Pelco Way Clovis CA 93612 5699 If you are located outside the continental U S Alaska Hawaii or Puerto Rico and are instructed to return goods to the USA you may do one of the following If the goods are to be sent by a COURIER SERVICE send the goods to Pelco 3500 Pelco Way Clovis CA 93612 5699 USA If the goods are to be sent by a FREIGHT FORWARDER send the goods to Pelco c o Expeditors 473 Eccles Avenue South San Francisco CA 94080 USA Phone 650 737 1700 Fax 650 737 0933 Pelco the Pelco logo Spectra Esprit Genex Legacy and Camclosure are registered trademarks of Pelco Endura and ExSite are trademarks of Pelco 20 Copyright 1998 Pelco All rights reserved Pelco Manual C379M G 12 98
18. rs on Legacy CM6700 CM6800 CM9700 Series matrix and DF5 DF8 Series fixed dome products Two years on Spectra Esprit ExSite and PS20 Scanners including when used in continuous motion applications Two years on Esprit and WW5700 Series window wiper excluding wiper blades Eighteen months on DX Series digital video recorders NVR300 Series network video recorders and Endura Series distributed network based video products months DX Series digital video recorders NVR300 Series network video recorders Endura Series distributed network based video products and TW3000 Series twisted pair transmission products One year except video heads on video cassette recorders VCRs Video heads will be covered for a period of six months Six months on all pan and tilts scanners or preset lenses used in continuous motion applications that is preset scan tour and auto scan modes Pelco will warrant all replacement parts and repairs for 90 days from the date of Pelco shipment All goods requiring warranty repair shall be sent freight prepaid to Pelco Clovis California Repairs made necessary by reason of misuse alteration normal wear or accident are not covered under this warranty Pelco assumes no risk and shall be subject to no liability for damages or loss resulting from the specific use or application made of the Products Pelco s liability for any claim whether based on breach of contract negligence infrin
19. s for pins 19 Manual Date Comments C379M 8 87 Original version C379M 6 90 C379M 1 91 C379M 11 91 updated C379M 2 92 C379M 9 92 added C379M F 1 95 1 96 and 20 C379M G 12 98 Changed manual to new format Added certifications Revised installation instructions Moved exploded assembly diagrams and parts lists to maintenance service manual In wiring schematics incorporated 8 1 96 addendum Expanded section on motor brake replace ment This page intentionally left blank Pelco Manual C379M G 12 98 1 0 GENERAL 1 1 IMPORTANT SAFEGUARDS AND WARNINGS Prior to installation and use of this product the following WARNINGS should be observed 1 Installation and servicing should only be done by qualified service personnel and conform to all local codes 2 Unless the unit is specifically marked as a NEMA Type 3 35 4 4X 6 or 6P enclosure it is designed for Indoor use only and it must not be installed where exposed to rain and moisture 3 The weight of the camera lens and enclosure shall not exceed 100 Ib 45 4 kg 4 Only use replacement parts recommended by Pelco 5 After replacement repair of this unit s electrical components conduct a resis tance measurement between line and exposed parts to verify the exposed parts have not been connected to line circuitry 6 The installation method and materials should be capable of supporting four times the weight of the enclosure pan tilt
20. set the stop in the same man ner Tilt the table up and down and check for exact positioning Tighten both stops securely UP LIMIT STOP DOWN LIMIT STOP RIGHT LIMIT STOP LEFT LIMIT a Figure 7 Limit Stops Pelco Manual C379M G 12 98 4 0 OPERATION Refer to the manual for your control equipment for operating the pan tilt 5 0 TROUBLESHOOTING Pelco Manual C379M G 12 98 Some common problems encountered with pan tilt systems include miswiring over loading and not using the units for the correct application If the pan tilt unit fails to operate do the following 1 Check the fuse in the control unit If the fuse is bad replace it 2 Ifthe fuse blows after replacing it check the control cable between the control unit and the pan tilt for shorts high resistance or opens 3 If the control cable is good reconnect it to the control unit but not to the pan tilt Replace the fuse and operate the control unit If the fuse blows again the fault is in the control Refer to Figure 3 6 for the following steps 4 Ifthe control unit is good check the wiring harness in the pan tilt for shorts 5 If the wiring harness is good check the motor starting capacitors 6 Ifthe starting capacitors are good check the motors for opens and shorts There should be low resistance between the windings 7 Checkthe limit switches for opens and shorts 5 1 SERVICE MANUAL If you need to servic
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