Troubleshooting (Before Calling For Service); Operating Range; Wired Remote Controller - Panasonic CS-MKS9NB4U Technical & Service Manual

TROUBLESHOOTING
(BEFORE CALLING FOR SERVICE)
If your air conditioner does not work properly, first check the following
points before requesting service. If it still does not work properly,
contact your dealer or service center.
Trouble Possible Cause
Air conditioner does 1. Power failure.
not run at all.
2. Leakage circuit
breaker tripped.
3. Line voltage is too
low.
4. Batteries in remote
controller have run
down.
OPERATION lamp Trouble in system.
blinks and air
conditioner does not
operate.
Compressor runs but Obstruction in front of
soon stops. condenser coil.
(Outdoor Unit)
Poor cooling 1. Dirty or clogged air
performance. filter.
2. Heat source or
many people in
room.
3. Doors and/or
windows are open.
4. Obstacle near air
intake or air
discharge port.
5. Thermostat is set
too high for cooling.
Clicking sound is In cooling operation,
heard from the air any plastic parts may
conditioner. shrink due to a
sudden temperature
change. In this event,
a clicking sound may
occur.
OPERATION lamp The use of cellular
lights but outdoor unit phones near the air
will not run. conditioner may cause
disturbance to its
normal operation.
TIMER lamp blinks FLOAT SWITCH is
(3 sec. interval) and actived.
air conditioner does
not operate.
The air conditioner is operable within the temperature ranges as
listed below:
COOLING
Remedy
1. Restore power.
2. Contact service
center.
3. Consult your
electrician or
A separately sold wired remote controller (CZ-RD515U)
dealer.
used with this air conditioner is also available. If you wish
4. Replace batteries.
to use the wired remote control function, you will need to
purchase the optional wired remote controller.
Contact service
center.
Remove obstruction.
1. Clean air filter to
improve airflow.
2. Eliminate heat
source if possible.
3. Shut them to keep
the heat out.
4. Remove it to ensure
good airflow.
5. Set the temperature
lower.
This is normal, and
the sound will soon
disappear.
1. Turn off the power
then restart the air
conditioner after a
while.
2. Consult your dealer.
Contact service
center.

OPERATING RANGE

Temperature Indoor air
temperature
Max. 95 °F DB /
71 °F WB
Min. 67 °F DB /
57 °F WB

WIRED REMOTE CONTROLLER

Outdoor air
temperature
115 °F DB
14 °F DB
15