Manitowoc RN0408A Mode D'emploi page 24

Checklist
If a problem arises during operation of your ice machine, follow the checklist below before calling for service. Routine
adjustments and maintenance procedures are not covered by the warranty.
Problem
Ice machine does not operate
Gear Motor runs but
compressor will not start / no
ice is made.
QuietQube Only Condensing unit fuse open or no electrical
Ice quality is poor
Low ice capacity
or
Ice machine turns Off & On
repeatedly
Air-Cooled Models Only Objects stacked around ice machine, blocking
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Section 5
Customer Support
Possible Cause
No electrical power to the ice machine
(RN1000/RN1400 Only) ON/OFF toggle
switch set improperly
(RN0400 Only) Bin thermostat satisfied — ice
contacting thermostat
Delay has not expired
(RN0400 Only) High Pressure Control is open
Water reservoir is empty. (Water sensing
switch must be closed to start the compressor)
power to condensing unit.
Poor incoming water quality
Water filtration is poor
Incoming water temperature is above 90
°
(32.3 C)
Water pressure is low
Water softener is working improperly (if
applicable)
Water float valve screen is dirty
Incoming water supply is shut-off
(RN1000/1400 Units) Water dump valve is
leaking
Water Pressure is low. The water sensing
switch turns off the ice machine repeatedly
Incoming water temperature is above 90
°
(32.2 C)
Frequent power interruptions or power surges/
dips
Water float valve stuck open or leaking
airflow to condenser
High air temperature around ice machine
Inadequate clearance around the ice machine
The condenser is dirty
To Correct
Reset the breaker/turn on main power switch/
plug cord into receptacle
Move toggle switch to the ON position
Remove ice from bin to lower ice level
Wait for the delay period to end and the ice
machine to start
Clean filter and condenser
Open water service valve or clean float valve
screen
Replace fuse/reset breaker/turn on main
power switch.
Contact a qualified service company to test the
quality of the incoming water and check filter
Replace filter
°
F Correct water temperature. (Verify check/
mixing valves in other equipment are working
properly). Connect the ice machine to a cold
water supply
Water pressure must remain between 20 and
70 psig
Repair the water softener
Remove and clean the filter screen
Open the water service valve
Clean the dump valve
Water pressure must remain between 20 and
70 psig
°
F Correct water temperature. (verify check/
mixing valves in other equipment is working
properly)
Verify ice machine is on a separate circuit and
power is stable
Remove the float valve and clean it
Remove items blocking airflow
Air temperature must not exceed 110
°
(43.3 C)
Provide adequate clearance
Clean the condenser
Part Number 000007282 4/10
°
F