New Air Refrigeration
TROUBLESHOOTING
NDC-SG Series: Troubleshooting
Fault
Causes
Solution
No power/
unit not
running
The main power switch is turned OFF
Turn main power switch to ON position
No power in the outlet socket
Verify if breaker tripped, verify outlet socket
Poor contact between plug and socket
Verify and repair plug or socket
Power cord unplugged
Plug in power cord
High
temperature
iniside
cabinet
Thermostat set too high
Set thermostat to lower temperature
Cabinet is in defrost cycle
Wait for defrost cycle to finish
Door not properly closed
Close door properly, verify for gasket damages.
Dirty condensing coil
Verify and clean condenser
Condensing fans not working
Verify condenser fan is plugged properly and not damaged
Equipment is near an heat source
Move equipment from heat source to allow proper air flow.
Evaporator coil is iced over
Unplug and empty unit. Leave door open to allow
evaporator coil to defrost.
Too much goods inside unit
Remove some goods to allow proper air flow.
Improper air circulation
Ensure proper air circulation surrounding the unit
Inside
cabinet
water leak
Unit not properly leveled
Verify and level unit left to right and front to back
Drain not properly attached
Verify and properly attach drain hose
Drain frozen
Unplug and empty unit. Leave door open to allow drain hose
to defrost.
Outside
cabinet
water leak
Condensation due to humidity level to high
Clean surface, if possible, find way to reduce humidity level
surrounding the unit
Condensation water tray overflowing
Locate and empty condensation water tray
Water leaking outside condensation water
tray
Locate and ensure drain hose is going inside the
condensation water tray
Noisy unit
Cabinet is not placed on stable surface
Ensure cabinet is located on leveled and stable surface
Loose parts and screws
Locate and tighten loose parts and screws
Compressor
not working
Temperature setting on controller is too high Lower temperature setting on controller
Too low voltage
Verify power outlet has the proper voltage to operate unit
Controller wiring not properly connected
Verify wiring at back of controller
Before requesting any service on your unit, please check the following points. Please note that this guide
serves only as a reference for solutions to common problems. Please ask qualified personnel to service.
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