Motor Check - Cornelius 500 Series Service Manual

Continuous Flow Icemaker Service Manual
IMPORTANT
Icemaker runs when
Reset but problem has
Not been found
Continue checking for
Overload as follows to
Guard against future problems
OVERLOAD GUIDE
ELECTRICAL:
High or low voltage. Weak power lines can cause overloads on icemakers restarts
High running current(2.4amps or above) Check motor circuits and start relay
Auger delay failed
ICEMAKER
Mechanical parts worn, scored evaporator or auger worn thrust bearing
Icemaker not run off. Failed level control
Over compression. Low water inlet temperature. Restrictions in water line from reservoir
Refrigerant
Contaminated charge or bad compressor
Low charge or gas leak
Low suction pressure, improper expansion valve, Sensing bulb location or insulation
And/or defective expansion valve
M C
OTOR HECK
!
WARNING:
Disconnect power to the unit before servicing. Follow all lock out/tag out procedures established by the user. Verify all
power is off to the unit before performing any work.
Failure to comply could result in serious injury, death or damage to the equipment.
!
WARNING:
The resistance readings on the winding will be between 5 to 25 ohms. A meter capable of these low readings must be
used. The start relay cover must be removed.
If no continuity on start or run winding test, replace gearmotor. If continuity on grounded motor test, replace
gearmotor.
Publication Number: 630460174SER
CAUTION
Clear ice from
Evaporator and Auger before
Resetting overload
Reset Overload
Icemaker
Reset but
runs
Motor does
Not run
Short run. Trips
Again in 2
Minutes. Check
Gear motor Circuit
Reset but
Motor does
Not run
Check
Gear motor
circuits
- 16 -
GEARMOTOR
OVERLOAD TRIPPED
Check water level control
and evaporator water tube
for the build-up restrictions
Will not
Reset
Overload
Hot try
again
Will not
Reset.
Replace
overload
© 2004-2014, Cornelius Inc.
CLEAN
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