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620914801
TROUBLESHOOTING
WARNING: Disconnect electrical power to the Chiller to prevent personal injury before
attempting any internal maintenance. Only qualified personnel should service internal
components or electrical wiring.
If repairs to the Chiller must be made, disconnect electrical power to the unit, then shut off the
water source.
TROUBLE PROBABLE CAUSE REMEDY
CHILLER DOES NOT
OPERATE, CONTROL
POWER LIGHT “OFF”
A. No Power To Unit. A. Check Main disconnect fuses,
wiring, and power lead to unit.
B. Defective Control Power
Switch.
B. Replace Switch
C. Defective Control Transformer. C. Replace Transformer
D. Wrong Voltage Supplied to
Unit.
D. Supplied Voltage Must be within
± 10% of nameplate rating.
PUMP DOES NOT OPERATE,
BUT POWER LIGHT IS “ON”.
A. Line to or from Chiller is
restricted.
A. Inspect lines and remove any
obstructions.
B. Internal or external filter is
blocked with debris.
B. Remove and clean strainer, then
replace.
C. Pump Contactor is
defective.
C. Replace Contactor.
D. Damaged pump motor or
impeller.
D. Replace pump motor or impeller.
UNIT RUNS CONTINUOUSLY,
BUT IS NOT COOLING
PROCESS WATER ENOUGH.
A. Condenser is restricted. A. Clean condenser.
B. Unit low on refrigerant. B. Call Service.
C. Inefficient compressor. C. Call Service.
D. Unit is undersized for
application.
D. Call REMCOR Chiller Sales Rep.
NOTE: When servicing a REMCOR Chiller, it is important to note all information provided on the DATA
PLATE located in the upper rear of the unit. If technical assistance is needed, the REMCOR Service
Technician will need this information along with any description of the problem(s) you are
encountering. The serial number and other information will also be required when ordering
replacement parts and any other Warranty Claims.