ACCS-1_UM v1
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Trouble Shooting:
Condition
Possible Causes
Wall Controller, Condenser Controller,
Evaporator Controller not working
No power to unit, check fuse/CB.
Condenser Controller, Evaporator
Controller green status LED flashing,
but Wall Controller not working.
Incorrect wiring between Wall
Controller and Condenser/Evaporator
Controller
System runs but intermittently
stops/trips out.
Check Fault log and rectify, then clear
log
Fault
is showing on the LCD
Check Fault log and rectify, then clear
Log
EE
showing on LCD screen (in place of
Temperature reading)
Wall Controller Temperature probe
Fault. Replace Wall Controller.
CONDENSER COMMS FAULT
scrolling on LCD
Incorrect wiring or faulty Condenser
Controller
EVAP COMMS FAULT
scrolling on
LCD
Incorrect wiring or faulty Evaporator
Controller
Air Conditioner randomly stops / starts but does
not show
Fault
on the display.
7-day time clock is incorrectly or partly set.
