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Troubleshooting
When...
■The remote control is missing or a malfunction has occurred
(CS-RZ25/35/42VKRW, CS-MRZ16/20VKR)
1. Raise the front panel.
2. Press the button once to use in AUTO mode.
3. Press and hold the button until you hear 1 beep, then release to use in forced COOL
mode.
4. Repeat step 3. Press and hold the button until you hear 2 beeps, then release to use in
forced HEAT mode.
5. Press the button again to turn off.
■The indicators are too bright
• To dim or restore the unit's indicator brightness, press
■ Conducting a seasonal inspection after extended non-use
• Check the remote control batteries.
• Check that there is no obstruction around the air inlet and outlet vents.
• Use Auto OFF/ON button to select COOL/HEAT operation. After 15 minutes of operation, it
is normal to have the following temperature difference between the air inlet and outlet vents:
COOL: ≥ 8 °C / 14.4 °F
■ The units are not going to be used for a long period of time
• Activate HEAT mode for 2~3 hours to remove moisture left in the internal parts thoroughly to
prevent mould growth.
• Turn off the power supply and unplug.
• Remove the remote control batteries.
NON SERVICEABLE CRITERIAS
TURN OFF THE POWER SUPPLY AND UNPLUG then please consult an authorised
dealer when in following conditions:
• Abnormal noise during operation.
• Water/foreign particles have entered the remote control.
• Water leaks from Indoor unit.
• Circuit breaker switches off frequently.
• Power cord becomes unnaturally warm.
• Switches or buttons are not functioning properly.
18
AUTO
OFF/ON
HEAT: ≥ 14 °C / 25.2 °F
(CS-RZ50/60/71VKRW, CS-RZ80VKR)
AUTO
OFF/ON
and hold for 5 seconds.
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Troubleshooting
