Maintenance; Before Requesting Services - Panasonic S-125MW1E5 Operating Instructions Manual

Maintenance

Do not attempt to clean inside the unit by yourself.
For safety, be sure to turn the Air-to-Water off and
z z
disconnect the power before cleaning.
(Otherwise, electric shock or injury may result because
the fan is rotating at high speed.)
Do not pour water on the indoor unit excluding water
z z
circuit.
(This may damage the internal components and cause
an electric shock hazard.)
Symptom
The Air-to-Water
unit does not
operate although
the power is
turned on.
Poor cooling
or heating
performance
If your Air-to-Water unit does not work properly even after checking each item of "Before Request-
ing Services" and "Troubleshooting"
Stop the operation immediately and turn the power off. Then contact your dealer and report the serial number and symptom.
zz
You also report if the inspection mark
remote controller.
Never repair the Air-to-Water unit by yourself since it is very dangerous for you to do so.
z z
12
WARNING

Before Requesting Services

Cause
Power failure or after power failure
The operation (power) button is turned off.
Fuse blow out.
Water circuit of indoor unit is clogged with
dust or obstacles.
Water temperature is very cold (heating).
The air intake or air outlet of outdoor units
is clogged with dust.
Improper temperature settings
The room is exposed to direct sunlight in
cooling mode.
Doors or windows are open.
Too many heat sources in cooling mode.
Too many people in the room in cooling
mode.
and the letters E, F, H, L, P in combination with numbers appear on the LCD of the
CAUTION
Never use solvents or harsh chemicals. Also, do not wipe
z z
plastic parts using very hot water.
(This may cause deformation or change in colour.)
Some metal edges and fins are sharp. Be careful when
z z
you clean those parts.
(Injury may result.)
Use a firm stool or ladder when cleaning an indoor unit
z z
installed in high locations.
Press the power ON/OFF button on the remote controller.
• If the breaker is turned off, turn the power on.
• If the breaker has been tripped, consult your dealer
without turning it on.
Contact your dealer.
Remove dust or obstruction.
Preheat the water over 25°C. (operate only Air-to-Water
unit)
Remove the dust.
See "Tips for Energy Saving". (P.4)
Use minimum heat sources and in a short time.
Lower the temperature setting.
Action