Monaco SIGNATURE 2001 series, Owner'S Manual

Page: 252 / 327

8. Compressor Clutch inoperative, will not engage.
9. Expansion Valve faulty or frozen.
10. Thermostat control faulty.
11. Mode control switch faulty.
12. Compressor faulty.
13. Loss of refrigerant.
Reduced cooling:
1. Coolant valve not operating correctly.
2. Air passages obstructed.
3. Loose or worn drive belt.
4. Check blower and select switch.
5. Thermostat control valve faulty.
6. Expansion valve faulty.
7. Compressor faulty.
8. Low refrigerant charge.
Blower Does Not Operate or Runs Slow:
1. Check fuses.
2. Check for loose or corroded connection.
3. Check wiring.
4. Check blower and select switch.
5. Motor shaft seized.
6. Blower wheel out of alignment.
Damper Doors Do Not Operate:
1. Front air tank must be over 60 psi.
2. Check vacuum generator is being powered and pro-
ducing vacuum.
3. Check vacuum line entering unit for vacuum.
4. Check that the vacuum solenoids mounted on unit are
receiving power from the mode switch. If operating
properly, the vacuum solenoid will feel hot if current is
engaging the solenoid.
5. Check mode switch.
6. Check wiring.
7. Check for pinched vacuum line leading to the vacuum
motor operating the damper door in question.
Electrical Systems - Chassis
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S I G N A T U R E 9 • 2 5 2