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Appendix C - Troubleshooting Procedures
C-2 P/N 8040540
C
HELIX TECHNOLOGY CORPORATION
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TI C
RY
OG
EN
ICS
Table C-1: Compressor Troubleshooting Procedures
Problem Possible Cause Corrective Action
1) System circuit breaker
(CB1) trips immediately
to the OFF (0) position
when switched to the ON
(1) position.
1) Incorrect phasing of input
power.
1) Check phasing of input
power. Refer to Phase
Check in Section 3.
2) System (CB1) and Con-
trol Circuit (CB2) circuit
breakers remain in the
ON (1) position when
switched ON but the
compressor will not run.
1) No power coming from
source.
2) Insufficient power
3) Remote control jumper
plug not in place. This will
apply only if remote cir-
cuit is not being used.
4) Improperly wired external
remote control circuit.
NOTE: Only applies if
remote control feature is
being used.
1) Check source fuses, cir-
cuit breakers, and wiring
associated with the
power source. Repair as
needed.
2) Verify adequate phase-to-
phase input voltage.
Refer to Table 1-2.
3) Check to insure that
remote jumper plug is
fully seated. See Figure
1-4 for location. Refer to
Compressor Remote
Connector in Section 1
for more information.
4) Verify correct installation
of remote control feature.
Refer to Table 1-6.