Hussmann 10HD - Trouble Shooting Chart 7

TROUBLE SHOOTING CHART
TROUBLE PROBABLE CAUSE SOLUTION
Compressor will not start, no
noise
1. Power disconnected 1. Check service cord for
proper connection
2. Blown fuse or breaker 2. Replace fuse or reset
breaker
3. Defective or broken
wiring
3. Repair or replace
4. Defective overload 4. Replace
5. Defective temperature 5. Replace
Compressor will not cuts out
on overload
1. Low voltage 1. Correct see serial plate for
proper electrical
requirements.
2. Defective compressor 2. Replace
3. Defective relay 3. Replace
4. Restriction pinched cap
tube
4. Repair or replace
5. Restriction moisture 5. Leak check replace drier
evacuate and recharge
6. Inadequate air over
condenser
6. Move cabinet so it has 4”
front and back of unit
compartment opening
7. Defective condenser fan
motor
7. Replace
High head pressure 1. Cabinet location too
warm
1. Relocate cabinet remove
air flow restriction
2. Defective condenser fan
motor
2. Replace
3. Air or non condensable
gases in system
3. Leak check-change drier,
evacuate and recharge
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