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184617-02
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INSTALLATION AND SERVICE MANUAL 917N-CMT, 927CMT, 957CMT
PROBLEM
PROBABLE CAUSE
REMEDY
12 Service Troubleshooting Charts
– continued
Compressor does
not operate or
operates
improperly.
1.
Trouble in compressor condensing circuit.
1.
Refer to Trouble Shooting
Compressor/Condensing Circuit.
2. Faulty start capacitor, run capacitor or relay.
(single phase only)
2.
Replace start capacitor. Replace run
capacitor. Replace compressor relay
3. Faulty contactor.
3.
Replace contactor.
4. Disconnected or broken wire in switch or
capacitor relay box.
4.
Check wiring and connections; repair or
replace wire leads as necessary.
Remove restriction, clean or replace
condenser.
Compressor
and beater
motor operate
only
when
dispensing.
1.
Install head assembly.
2.
Replace magnetic head switch.
3.
Locate and tighten connection.
4.
Replace coil.
5.
Replace relay.
6.
Replace capacitor assembly.
7.
Replace beater motor.
8.
Reset or replace overload.
1.
Head assembly is not installed.
2.
Magnetic head switch defective.
3.
Loose connection in control circuit.
4.
Open starter coil.
5.
Worn out relay contact.
6.
Faulty capacitor assembly, (1 phase)
7.
Faulty beater motor.
8.
Beater overload open.
Beater motor
does not operate.