Hoshizaki DCM-60KE Service Manual page 42

Code Error
Abnormal Low
EF
Voltage
Bin Control
EL
Switch Error
Model Setting
EP
No. Error
Controller
EU
Board Error
Electric Leak
None
Short Circuit
Non-Interlock Errors
Code Error
CM Microcomputer
Time Read/Write
"- -" Error
Icemaking
c0
Water Leak
Low Water
c1
Condition
c3 error occurs 3 times in 24
hours.
While compressor is
running, number of water
supply cycles reaches in a
row:
DCM-60KE(-P) 12 times
DCM-120KE(-P) 24 times
* This count is reset when
ice is dispensed or
compressor stops.
Controller board model
number is not set.
Controller board IC fails.
Electric leak or overcurrent.
Condition
Microcomputer fails to
read/write properly.
After initial water supply, float
switch trips at lower float level
within 5 minutes after gear
motor starts and before
compressor starts.
Water supply continues for
more than 90 seconds, or float
switch trips at lower float level
and does not reset for more
than 60 seconds after water
supply.
Operation
Service call lamp
blinks.
EF blinks.
Whole unit stops.
Dispensing not
available
Service call lamp
blinks.
EL blinks.
Whole unit stops.
Dispensing not
available
Service call lamp
blinks.
EP blinks.
Whole unit stops.
Dispensing not
available
Service call lamp
blinks.
EU blinks.
Whole unit stops.
Dispensing not
available
Service call lamp
blinks.
Whole unit stops.
Dispensing not
available
Operation
Memory circuit
not available.
Whole unit stops.
Flush water
valve turns ON
for 1 second,
then turns OFF.
Unit restarts.
Ice making lamp
blinks. Whole
unit stops.
Dispensing is not
available until
reservoir fills up.
Only control
water valve
operates
intermittently for
5 minutes.
39
Reset Check/Repair
Power supply,
Turn OFF - Supply voltage
Turn ON
Power supply,
Turn OFF - Bin control switch
Turn ON
Power supply,
Controller board
Turn OFF -
model setting
Turn ON
Power supply,
Replace controller
Turn OFF -
board.
Turn ON
Power supply,
Turn OFF - Electric leak, fuse
Turn ON
Reset Check/Repair
Error records and
Replace compressor
controller operating hours not
board. available on
display
Water leak from
water circuit
Error record (reservoir, hoses,
only. mechanical seal,
flush water valve),
float switch
Water supply
interruption, control
Automatically
water valve not
resets after
opening, flush
reservoir fills
water valve not
up.
closing, float
switch, water leak