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Part Number 020007115 06/27/2019 39
Section 5
Troubleshooting
NO POWER FLOWCHART
NO
UNIT HAS NO
POWER
IS UNIT
PLUGGED IN
PLUG UNIT IN
ISSUE
RESOLVED
DOES UNIT
HAVE POWER
IF NO POWER
YES
NO
YES
VERIFY
POWERCORD
See also “Refrigerated Cabinet Flowchart” on page 40
REFRIGERATOR CABINET ISSUES
Problem
Cause
Correction
Cabinet not running
Fuse blown or circuit breaker tripped.
Replace fuse or reset circuit breaker.
Power cord unplugged.
Plug in power cord.
Thermostat set too high.
Set thermostat to lower temperature.
Condensing unit runs for long periods
or continuously
Excessive amount of warm product placed in
cabinet.
Allow adequate time for product to cool down.
Prolonged door openings or door(s) ajar.
Make sure door(s) are closed when not in use.
Avoid prolonged door openings.
Door gasket(s) not sealing properly.
Check gasket condition. Adjust door or replace
gasket if necessary.
Dirty condenser coil.
Clean the condenser coil.
Evaporator coil iced over.
"Turn unit off and allow coil to defrost. Make
sure thermostat is not set too cold.
Also, check gasket condition."
Cabinet temperature is too high
Thermostat set too high.
Set thermostat to lower temperature.
Poor air circulation in cabinet.
Re-arrange product to allow proper air
circulation.
Excessive amount of warm product placed in
cabinet.
Allow adequate time for product to cool down.
Prolonged door openings or door(s) ajar.
"Make sure door(s) are closed when not in use.
Avoid prolonged door openings."
Dirty condenser coil.
Clean the condenser coil.
Evaporator coil iced over.
"Turn unit off and allow coil to defrost. Make
sure thermostat is not set too cold.
Also, check gasket condition."
Cabinet is noisy
Loose part(s).
Locate and tighten loose part(s).
Refrigerator is freezing product
Thermostat is set too low.
Set thermostat to higher temperature.
Dirty condenser coil.
Clean the condenser coil.
Not enough cabinet clearance for proper
refrigeration system operation.
Move cabinet or make other adjustments to
gain proper cabinet clearances.
Compressor will not start
Low voltage to cabinet.
Check and correct incoming voltage to cabinet.
Leaking internally
Check the in-line filter bowl and o-ring.
May need to depressurize the unit and remove
the filter bowl to check.
See “How to Inspect the
In-line Strainer” on page 26
Содержание Multiplex N2Fusion
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