Service Manual 15 - Titanium RV owners
Contents
1. AC Voltage Too Low Is AC voltage Correct to refrigerator AC voltage 108 132 VAC Saa Art01059 AC Voltage Too High Is AC voltage Correct to refrigerator AC voltage 108 132 VAC slau Art01060 DC Voltage Too Low Is DC voltage Are any DC Is shai battery to refrigerator connections charging Start up 5 equipment 10 5 15 4 VDC7 YES loose operational _ YES Correct battery Correct Tighten charging Art01061 DC voltage connections equipment Service Manual 15 DC Voltage Too High Is vehicle battery charging equipment operational Is DC voltage to refrigerator Correct batte ae eda Art01062 DC voltage equipment AC Heater Output Failure The control senses AC heater current when the AC Pane heater should be OFF i Art01063 DC Heater Output Failure The control senses DC Replace heater current when the DC power board heater should be OFF Art01064 Service Manual 16 Is the resistance through DC heater infinity ce Replace DC heater Is the resistance through AC heater infinity co Replace AC heater DC Heater Failed Open Are any wires Replace loose power board Tighten connections Art01065 AC Heater Failed Open Are any wires Replace loose power board Tighten connections Art01066 Service Manual 17 Flame Sense Circuit Failure Is spark eck ingition Check ingition electrode 1 8 sense wire sense wire shor2. ostic screen 1 will appear for two seconds The contents of diagnostic screen 1 will then appear until you push the MODE button again Each time you push the MODE button the next diagnostic screen appears for two seconds and then the contents of the diagnostic screen appears After screen 9 the diagnos tic screens start again with screen 1 Diagnostic Screen 1 All display segments appear Diagnostic Screen 2 No display segments appear Diagnostic Screen 3 Thermistor Temperature The thermistor temperature appears in F The first digit of the temperature appears for one second and the second digit of the temperature appears for one second Then no segments appear for a two second pause This cycle repeats until you push the MODE button Diagnostic Screen 4 Fault History Individual segments appear for these recorded faults Segment 1 Ignition fault Segment 2 Door ajar Segment 3 DC voltage low Segment 4 DC voltage high Segment 5 AC mode selected but not available Segment 6 AC relay stuck closed Segment 7 AC heater failed open Diagnostic Screen 5 Fault History Continued Individual segments appear for these recorded faults Segment 1 Thermistor failure Segment 2 Flame sense failure Diagnostic Screen 6 Erase Fault History E appears for one second Then r ap
3. pears for one second After a two second pause the cycle continues to repeat as long as this display screen is active To erase the fault history Push TEMP SET for five seconds C appears for one second Then L appears for one second After a two second pause the cycle continues to repeat as long as this state is active Push TEMP SET again for five seconds E appears for one second Then r appears for one second After a two second pause the cycle continues to repeat as long as this display screen is active Diagnostic Screen 7 Inputs Individual segments appear for these inputs to the refrigera tor controls Segment 1 Door of the fresh food compartment is closed and interior light is off Segment 2 Burner flame is sensed Segment 3 Thermistor is sensed Service Manual 19
4. t 3 16 in above continuity Must to ground Must top of burner read 0 Ohms read co Is ignition sense wire damaged Is ignition sense wire loose YES at power board NO Replace ignition sense wire Replace Replace Tighten ignition sense ignition sense connection wire wire Correct spark gap Replace Art01067 power board Back Up Operating System Is the thermistor The thermistor is inoperable Replace lamp connection The control uses the temperature thermistor wire tight setting as a duty cycle assembly Tighten the connection Art01068 Service Manual 18 Control Diagnostic Function models N620 N621 N820 and N821 The Control Diagnostic Function allows the repair technician to put the refrigerator control into a diagnostic display mode This mode provides the repair technician with specific diagnostic information which can be helpful when trouble shooting refrigerator control problems The diagnostic display mode consists of eight different display screens While each of these screens show different information they all use the individual segments of the 7 segment display The individual segments are segment 1 segment 2 gt i Mta Qu segment 4 a segment 6 L segment 7 Art01075 To put the refrigerator control into the diagnostic display mode push the TEMP SET and MODE buttons at the same time and hold them for five seconds 1 which means diagn
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