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User Manual
Household Ice Machine
Service Manual
This manual is to be used by qualified technicians
only. Parts Connect does not assume any
responsibility for property damage or personal
injury for improper service procedures by an
unqualified person.
IM70
Model #
Made in China
Indianapolis, Indiana, USA
www.parts-connect.com
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Summary of Contents for Parts Connect IM70
- Page 1 Household Ice Machine Service Manual This manual is to be used by qualified technicians only. Parts Connect does not assume any responsibility for property damage or personal injury for improper service procedures by an unqualified person. IM70 Model # Made in China Indianapolis, Indiana, USA www.parts-connect.com...
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Page 3: Control Board
Control Board This section identifies the main control board connections. code function socket color plug wire color wire label remark color water level switch white white white x2 evaporator temperature white+black ZFS sensor condenser temperature purple purple white+red sensor refrigerant pressure sensor black not in use SEN1... -
Page 4: Button Operation
Button Operation The status and time lapse are dependent when pressing buttons. status main power off ice machine power is unplugged or main power switch is turned off SMG off ice machine is plugged in and main power switch is on but SMG shows OFF setting ice machine is in setting mode. - Page 5 status operation lights and SMG details shown and then changes to a cycle. This operation is to help fixed number. serviceman to find problems of last ice making light: on harvest. harvest medium press "clean" button SMG: shows current the fixed number in SMG is the ice number for 3 seconds making time during last ice making and then changes to a...
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Page 6: Parameter Setting
Parameter Setting status operation lights and SMG shown details 1 ice making short press mode button SMG: show current Parameter 1 is used to modify the cycle number for 2 seconds thickness of ice cubes. xx will flash and then show 1xx during setting. -
Page 7: Ice Cube Thickness
status operation lights and SMG shown details >6xx->7xx->8xx->9xx- P09, see water discharge frequency >Pxx table. long press mode button, SMG: show OFF for 10 Parameter A is used to set the water release and then short seconds and then show discharge time. - Page 8 Ice cube thickness is controlled by the evaporator temperature. The parameter actually refers to the evaporator temperature. The colder you set, the thicker you get. Maximum Ice Making Time parameter refer to 1 min 5 min 10 min 15 min 20 min 25 min 30 min...
- Page 9 Pre-chill Time (continued) parameter refer to 20 sec 30 sec FACTORY DEFAULT SETTING 40 sec 50 sec 60 sec 70 sec 80 sec 90 sec 120 sec Pre-chill procedure is to pre-cool the evaporator and speed up the ice cube making cycle. Self-Clean Frequency parameter refer to...
- Page 10 The maximum lack-of-water time is used to prevent the pump system from running dry and damaging the pump. Maximum Water Filling Time parameter refer to 1 min 5 min FACTORY DEFAULT SETTING 10 min 15 min 20 min 25 min 30 min 35 min 40 min...
- Page 11 Condenser Temperature Range parameter refer to 11-13 Celsius 13-15 Celsius 15-17 Celsius 17-19 Celsius 19-21 Celsius 21-23 Celsius FACTORY DEFAULT SETTING 23-25 Celsius 25-27 Celsius 27-29 Celsius 29-31 Celsius The condenser temperature is the on-off control for the condenser fan. It is suggested to not change the default unless the circumstance temperature is extremely low or high.
- Page 12 The water discharge process is used for situations where the water tank is too cold. Possibly some of the water inside the tank has become ice. The ice can jam the pump system. Water Discharge Time parameter refer to 0 sec 5 sec 10 sec 15 sec...