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Troubleshooting Guide - 06D, 06E and 06CC Compressors
OBSERVATION POSSIBLE CAUSE REMEDY
1. Compressor will not start Power off Check main switch, fuses and wiring
Overcurrent protection open Reset manually
Oil safety switch open Reset manually
Loose electrical connections or faulty wiring Tighten connections. Check wiring and
rewire if necessary.
Compressor motor burned out Inspect and replace compressor if defective.
2. Low compressor capacity or inability to
pull down system
Broken connecting rods or pistons Replace compressor
For 06CC only:
Blown valve plate or cylinder head gasket
See No. 3
Leaky valve plates or worn valve seats Replace valve plate assembly
Leaky or broken suction valves Pump down, remove cylinder head, examine
valves and valve seats. Replace if necessary.
Check pressure difference between
suction, interstage and discharge if:
a. pressure is low between suction and
interstage
a. Check for problems in low stage heads
b. pressure is low between interstage and
discharge
b. Check for problems in high stage head
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