7-40
62-11039
Alarm
NO.
Steps
ALARM / CAUSE
CORRECTIVE ACTION
75
COMP MOTOR OVERLOAD
•
TRIGGER–ON: Compressor Motor Overload (IPC) circuit is open.
•
UNIT CONTROL: Engine operation: engine and unit shutdown and alarm. Standby operation:
UNIT CONTROL: Engine operation: engine and unit shutdown and alarm. Standby operation:
refrigeration system shutdown and alarm with PSCON still energized.
•
RESET CONDITION: Auto Reset when motor overload input is within limits, or change to engine
operation, 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.
1.
Check For A--13 (Check Download)
a. A13 will always cause this alarm to
activate
Review steps for A13 and correct if necessary.
2.
Check For Power At MP1
a. If no power (0VDC)
Test IP circuit from compressor motor to microprocessor
b. If 12VDC
Continue troubleshooting
3.
Check Compressor Motor Contactor
a. Inspect the three contacts behind the
top cover
If the contactor buttons are blue due to chattering caused
by a defective compressor internal protection device,
replace the contactor.
b. Check tightness of the contactor wire
connections
Tighten with screwdriver and check for discoloration of
wires.
4.
Check Motor Operation
a. Turn the unit ON in Engine or Standby
mode
Check voltage and current on each phase (must be less
than 22 amps)
b. If current is high
Run pre--trip to check if unloaders and current are
excessive
Содержание VECTOR 1800 MT
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Страница 2: ...OPERATION SERVICE MANUAL for VECTOR 1800 MT Trailer Multi Temp Refrigeration Units ...
Страница 19: ...1 5 62 11039 1 3 SAFETY DECALS ...
Страница 20: ...1 6 62 11039 62 03958 00 Heat Warning 62 03957 01 High Voltage 62 60280 00 Standby Safety ...
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Страница 310: ...10 8 62 11039 BASED ON ENGINEERING SCHEMATIC 62 60926 REV G NEXT SHT ...
Страница 311: ...10 9 62 11039 FROM PREVIOUS SHT ...