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Page Title:
ARCTIC HEATER (MODEL B) TROUBLESHOOTING. |
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 TM 9-2320-364-34-1
This paragraph covers Arctic Heater (Model B) Troubleshooting. The Arctic Heater (Model B) System Fault Index,
Table 2-17.1, lists faults for the arctic heater (Model B) system of the PLS truck. Refer to schematic Figure 2-16.1
when performing tests and corrective actions.
Fault No.
Description
Page
1
First Chart For Diagnostic of Arctic Heater Troubleshooting (Model B)
2-766.4
..........................
2
Fault Code 001, 002, 010 or 011: Advance Warning-Overvoltage Shutdown, Advance
Warning-Undervoltage Shutdown, Overvoltage Shutdown or Undervoltage Shutdown
2-766.10
......
3
Fault Code 012, 013, 014 or 015: Overheating, Excessive Temperature at Flame Sensor,
Possible Overheating Detected or Too Many Overheats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-766.12
4
Fault Code 020 or 021: Glow Pin Open Circuit or Glow Pin Short Circuit
2-766.14
........................
5
Fault Code 033: Blower Motor Speed Fault
2-766.34
................................................................
6
Fault Code 037, 042 or 059: Water Pump Not Working, Water Pump Short Circuit or
Water Temperature Rises to Quickly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-766.42
7
Fault Code 043, 047 or 048: Short Circuit at External Component, Fuel Metering Pump
Short Circuit or Fuel Pump Open Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-766.46
8
Fault Code 050 or 052: Too Many No Start Attempts or No Start Safety Time Exceeded
2-766.48
....
9
Fault Code 051: Faulty Flame Recognition
2-766.64
.................................................................
10
Fault Code 053, 054, 55 or 056: Flame Cutout in Boost Mode, Flame Cutout in
High Mode, Flame Cutout in Medium Mode or Flame Cutout in Low Mode . . . . . . . . . . . . . . . . . . . . . 2-766.68
11
Fault Code 060, 061, 071 or 072: Temperature Sensor Open Circuit, Temperature Sensor
Short Circuit, Overheat Sensor Open Circuit or Overheat Sensor Short Circuit . . . . . . . . . . . . . . . . . 2-766.72
12
Fault Code 064 or 065: Flame Sensor Open Circuit or Flame Sensor Short Circuit
2-766.78
.............
13
Fault Code 090, 093, 094 or 097: Control Unit Defective (Internal Fault, RAM Error,
EPROM Fault or Power Fault) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-766.82
2-768
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