HCMF Service Manual
For Technical Support, Call 800-537-2653.
Page 7
Doc. No. 19005309 -
Copyright
2012 Franke, Inc.
Section 4 –
Trouble Shooting Guide:
The Problem
Possible Cause
What To Check & Do
Main Power not
“ON”
Power not available to
unit?
Breaker OK? Yes = Continue; No = Call electrician
Receptacle OK? Yes = Continue; No = Call
electrician
Power cord OK?
Yes = Continue; No = Replace power cord.
Internal wiring OK?
Yes = Continue; No = Replace wiring harness.
(Contact Franke Technical Support.)
Power switch not ON?
(Switch located behind
condenser, top-right.)
Check for power at switch. Switch OK? Yes =
Continue; No = Replace Power Switch
(See Tips T-5)
Main Power “ON”
but Freezer does
not run
Compressor thermal
overload tripped?
Unplug Freezer power cord for 1 hour, then retry.
If problem reoccurs, ensure condenser coil is clear
of debris and cleaned, per PMM Page Instructions.
If dirty or obstructed, vacuum or brush off
condenser coil and notify manager.
Test condenser electric components for defects or
failure, including: start-capacitor, start relay,
condenser fan motor & compressor. Replace if
needed.
(See Tips T-7)
Power disconnected to
temperature controller
Check input voltage to temperature controller.
Replace wiring harness if damaged.
Temperature controller
disconnected from
condensing unit
Check output voltage at temperature controller.
Replace wiring harness to Condenser, if damaged
Condenser Package is
unplugged inside.
Check Condenser Package plug. (Remove top
access panel.) Plug in if unplugged or loose.
Temperature controller
is defective
Replace defective controller.
(See Tips T-2)
Freezer is turned
ON but is not
cooling &
Temperature
Display reads OFF.
Controller has been
turned OFF
Press the ON/OFF button (top-right) on
Controller/Display to turn ON.