MovinCool Classic 40 - Manual (Page 40)

40
TROUBLESHOOTING
Check the following items before calling your MovinCool reseller or a qualified
technician.
CONDITION POSSIBLE CAUSE REMEDY
Unit does not
operate
1. Power supply is off Check circuit breaker.
2. Incorrect power phase
sequence
Check connection or exchange two
wires of R, S and T.
3. Power interruption Unit will turn on automatically when
power returns (Some thermostats
require to be reset).
4. Blockage of air duct Check duct for any blockages or
excessive kinks in ducting.
5. Turn off signal input Check for turn off signal input (fire
alarm control panel).
6. High pressure switch
activated 10 times in 24
hours.
1. Clean air filter.
2. Check inlet and outlet air to make
sure that there are no objects
preventing the air flow into or out
from the unit.
3. Check environmental condition
whether it is within operation range
or not.
4. Reset controller.
To RESET: Hold down the SET
TEMP (
/ ) buttons
simultaneously for 3 seconds,
controller returns to normal
operation.
7. Battery ran out on
thermostat (when wall
thermostat is used).
Change battery.
8. Wall thermostat enable
function and / or improper
wiring connection
Check wall thermostat wiring
connection and unit setting. (See “Wall
Thermostat Connection” section.)
Insufficient
Cooling / Unit
operation
interrumpted
frequently.
1. Air inlet/outlet blocked. Clean air inlet/outlet.
2. Dirty / Blocked filters Clean / replace air filter.
3. Improper temperature
setting
Adjust temperature setting.
4. Outside of operating range Use within operating temperature
range.