Operation Manual
CL01-2 Wall Controller
Operation Manual - CL01-2 Wall Controller
Document: 0525-081
Ver. 1 190903
27
16. Troubleshooting Guide
Condition
Causes or Check Points
The system does not start
Check that 5 minutes has passed from Turn-On time, as the system has in built timers.
Check that setpoint temperature settings are correct.
Check that the setpoint temperature is set low enough for cooling or high enough for
heating.
Air does not flow
(Indoor Unit)
During heating operation, air does not flow out for approximately 15 seconds after start
up, this prevents cold draft.
Check for Auto Fan operation.
Cooling/Heating is not
sufficient
The cooling/heating function may not work effectively when the indoor return air filter is
clogged with dust and dirt.
Make sure the air inlet and air outlet on the outdoor unit are not blocked.
The outside temperature is above or below the design conditions.
Steam is coming out from the
outdoor unit
It is caused by the defrosting of the outdoor unit in heating operation during cold ambient
conditions. This is not a fault.
Water from the outdoor unit
This is normal during heating operation, which is due to water forming and running off the
outdoor coil during defrost. This normal and it is not a fault.
Occurring of noises
When heating or cooling is started or stopped, a swishing or gurgling noise may be heard,
This noise is generated by the refrigerant flowing between the outdoor and the indoor
units.
A swooshing noise may be heard from the outdoor unit during operation. This noise is
generated when the refrigerant changes direction in the defrost operation.
On start up, the outdoor unit may be louder than normal for a few seconds while the
compressor reaches the designated speed and operating pressure.
During defrost operation, the compressor may generate more noise than normal.
Setpoint temperature cannot
be adjusted
The Control Interface has in built upper and lower limit setting. Setpoint temperature can
only be adjusted within these limits.
7-Day Time Clock is not turning
the air conditioner On and Off
Check that the time clock events are set correctly.
Check that correct current day and time are set for the air conditioner to operate.
BEFORE CONTACTING YOUR INSTALLER, PLEASE HAVE YOUR AIR CONDITIONERS
MODEL NO. AND SERIAL NO. WITH YOU. (SEE PAGE 5)
Содержание CL01-2G
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