HOBART HL200 ERROR CODES AND TROUBLE SHOOTING
Contents
1. HL120 AND HL200 LEGACY MIXERS TROUBLESHOOTING SESS SSE SSE SESS ES SYMPTOM POSSIBLE CAUSE Timer board problems Can not adjust time 1 Timer board malfunction time adjustment Can not select Hold Mode continuous mixing potentiometer or other problems with the board with count up timing 2 Wiring harness connections from motor drive Timer display does not count up RS485 to timer board are disconnected or malfunctioning 3 Motor drive malfunction timer ready contacts 30 B C are not opening for 1 second at the end of timed cycle Timer display does not count down Timer display blank Segment missing from timer display Mixer will not shut off at end of timed cycle Grease leaking from planetary Spacer o ring on planetary shaft Grease leaking from attachment hub Quad ring in attachment hub NOTE The motor drive constantly monitors its operation while the mixer is running If an alarm occurs during mixer operation the motor drive recognizes a fault condition and immediately tries to reset the fault twice within 0 5 second intervals If mixer operation continues the automatic reset was successful If the alarm was not reset the motor drive enters Alarm Mode and displays a 3 digit alarm code that corresponds to the fault The mixer will not operate until the alarm is cleared To manually reset cycle power to mixer Wait till display goes out then reconnect power codo Fault Description Possible Causes Suggested Act2. inuity If connections 2 Open circuit in motor are loose then tighten If a problem is windings found with the lead wires from motor drive to motor replace the malfunctioning component wiring harness or motor 2 Check motor resistance 3 Motor drive requires a 3 phase AC motor Verify this type of motor is installed and is wired for 3 phase 4 1CR control relay 4 Check for 24VDC at 1CR relay coil If malfunction voltage is present but 1CR contacts 6 8 or 2 4 are not closing replace 1CR control relay If 24VDC is not present check voltage at motor drive terminals 30C to PLC and verify 1LS bowl switch and 2LS bowl guard switch are closed If a problem is found with 1LS 2LS or motor drive replace the malfunctioning component 3 Single phase motor installed or motor not wired for 3 phase 5 Motor drive malfunction no 5 Replace motor drive output voltage or output voltage phase lost Over heating at heat 1 Motor drive heat sink 1 Disconnect power to mixer and allow sink temperature above 194 F motor drive to cool 2 Check bottom cover vent for clogging Protects motor drive Check motor drive heat sink fins for clogging Remove debris 3 Reduce room ambient temperature or move mixer to a cooler location away from heat sources gt oMiotor drive matunction 4 If over heating occurs repeatedly replace motor drive Electronic thermal 1 Mixing in Stir speed 1 Select Speed 1 or Speed 2 fo
3. ions Over current 1 Low supply voltage 1 Check supply voltage to mixer 2 Momentary power 2 Cycle power to mixer Wait till display Protects motor drive interruption goes out then reconnect power 3 Batch size too large 3 Reduce batch size See REFERENCE MATERIAL under GENERAL 4 Motor drive terminals U V 4 Check motor lead wire connections or W short circuited or 5 Check motor resistance grounded 6 Check resistance between motor drive terminals U V amp W Over voltage High supply voltage 1 Check supply voltage to mixer DC Bus voltage 2373V Under voltage Low supply voltage 1 Check supply voltage to mixer Leave Momentary power DMM connected and check for sudden interruption drops in supply voltage when mixer is turned ON under load along with other equipment on the same line 2 Cycle power to mixer Wait till display goes out then reconnect power 3 Check DC bus circuit voltage at terminals P amp N If voltage reading is consistently low and supply voltage is within tolerance replace motor drive DC Bus voltage lt 255V Motor drive malfunction Page 51 of 56 F25176 May 2005 HL120 AND HL200 LEGACY MIXERS TROUBLESHOOTING Fault Description Possible Causes Suggested Actions Output phase loss to 1 Lead wire or connection 1 Check motor lead wire connections for motor malfunction to motor tightness and cont
4. o sockets RJ45 and 16 pin Check RS485 lead wire connections J1 1 thru J1 4 for tightness and proper insertion into 16 pin sockets and plugs from motor drive to timer board If no continuity replace the malfunctioning harness Replace timer board if harness ok Replace motor drive if timer board and harness ok Cycle power to mixer Wait till display goes out then reconnect power If this does not clear the alarm code replace motor drive Cycle power to mixer Wait till display goes out then reconnect power If this does not clear the alarm code replace motor drive F25176 May 2005
5. r mixing overload relay 2 Batch size too large 2 Reduce batch size See REFERENCE tripped 3 Low supply voltage causing MATERIAL under GENERAL low motor torque 3 Check supply voltage to mixer rele motor 4 Motor malfunction 4 Check motor resistance 5 Motor drive malfunction 5 Replace motor drive Motor drive over 1 Batch size too large 1 Reduce batch size See REFERENCE loaded 2 Motor drive ambient MATERIAL under GENERAL temperature above 122 F 2 Check bottom vent cover for clogging Protects motor drive Check motor drive heat sink fins for clogging Remove debris 3 Reduce room ambient temperature or move mixer to a cooler location away from heat sources F25176 May 2005 Page 52 of 56 HL120 AND HL200 LEGACY MIXERS TROUBLESHOOTING cade Fault Description Possible Causes Suggested Actions Memory error Momentary power interruption or power loss while motor drive was storing data Timer board RS485 wiring connections communication error loose disconnected or malfunctioning Timer board malfunction Motor drive malfunction oe Motor drive malfunction Data save error Momentary power during undervoltage interruption or power loss while motor drive was storing data Page 53 of 56 Cycle power to mixer Wait till display goes out then reconnect power If this does not clear the alarm code replace motor drive Check plugs for proper insertion int
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