62-11640
7–32
00054
DEFROST NOT COMPLETE
• ACTIVATION: Defrost cycle did not complete within 45 minutes
• UNIT CONTROL: Engine and Electric Operation: Alarm only. While this alarm is active, the Defrost Timer
will be set to initiate a defrost cycle 90 minutes (1.5 hours) of unit running time after the alarm comes on.
• RESET CONDITION: Auto Reset when defrost cycle is started again, or alarm may be manually reset via
keypad or by turning the unit off, then back on again.
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, the active
alarm should clear itself (see reset condition above). Operate the unit through the appropriate modes to see if
any active alarm occurs. Continue with the steps below as necessary.
CORRECTIVE ACTIONS:
1.
Perform Pretrip Check
Clear Active Alarm list, then run Pretrip & check for any new alarms. Any active alarms must be cor-
rected and cleared before proceeding.
2.
Check For Defective Defrost Sensor Location/Correct Installation
Has sensor fallen from location? Must be corrected to continue.
3.
Check Evaporator Fan Contactors
Check that contactors are not energized and that the contacts are not stuck closed in defrost. Must
de-energize evaporator fan during defrost.
4.
Check Evaporator Heater Current Draw
Check Heater amp draw at 1HTCON1 & 1HTCON2 These checks must be made with the unit oper-
ating. Verify that all three actual amperage readings for each component are within 10% of each
other, and are within the values shown in
.
Summary of Contents for Vector 8500
Page 23: ...62 11640 1 6 1 3 SAFETY DECALS ...
Page 24: ...1 7 62 11640 62 03958 ...
Page 25: ...62 11640 1 8 ...
Page 26: ...1 9 62 11640 ...
Page 27: ...62 11640 1 10 ...
Page 125: ...62 11640 SECTION 6 MESSAGECENTER PARAGRAPH NUMBER Page 6 1 MESSAGECENTER MESSAGES 6 1 ...
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