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Precautions for safety
The manufacturer shall not assume any liability for the damage caused by not observing the description of this
manual.
DANGER
Before carrying out the installation, maintenance, repair or removal work, be sure to set the circuit breaker for
both the indoor and outdoor units to the OFF position. Otherwise, electric shocks may result.
Before opening the intake grille of the indoor unit or service panel of the outdoor unit, set the circuit breaker to
the OFF position.
Failure to set the circuit breaker to the OFF position may result in electric shocks through contact with the interior
parts.
Only a qualified installer or qualified service person is allowed to remove the intake grille of the indoor unit or
service panel of the outdoor unit and do the work required.
Before starting to repair the outdoor unit fan or fan guard, be absolutely sure to set the circuit breaker to
the OFF position, and place a "Work in progress" sign near the circuit breaker before preceding with the work.
Turn off
When checking the electric parts, removing the cover of the electric parts box of Indoor Unit and/or front
breaker.
panel of outdoor unit inevitably to determine the failure, put a sign "Do not enter" around the site before
the work. Failure to do this may result in third person getting electric shock.
When you have noticed that some kind of trouble (such as when a check code display has appeared, there is a
smell of burning, abnormal sounds are heard, the air conditioner fails to cool or heat or water is leaking) has
occurred in the air conditioner, do not touch the air conditioner yourself but set the circuit breaker to the OFF
position, and contact a qualified service person. Take steps to ensure that the power will not be turned on
(by marking "out of service" near the circuit breaker, for instance) until qualified service person arrives.
Continuing to use the air conditioner in the trouble status may cause mechanical problems to escalate or
result in electric shocks or other failure.
When you access inside of the service panel to repair electric parts, wait for about five minutes after turning off
the breaker. Do not start repairing immediately.Otherwise you may get electric shock by touching terminals of
high-voltage capacitors. Natural discharge of the capacitor takes about five minutes.
Electric shock
hazard
Place a "Work in progress" sign near the circuit breaker while the installation, maintenance, repair or removal
work is being carried out.
There is a danger of electric shocks if the circuit breaker is set to ON by mistake.
Before operating the air conditioner after having completed the work, check that the electrical control box cover
of the indoor unit and service panel of the outdoor unit are closed, and set the circuit breaker to the ON position.
Prohibition
You may receive an electric shock if the power is turned on without first conducting these checks.
If, in the course of carrying out repairs, it becomes absolutely necessary to check out the electrical parts with
the electrical control box cover of one or more of the indoor units and the service panel of the outdoor unit
removed in order to find out exactly where the trouble lies, wear insulated heat-resistant gloves, insulated boots
and insulated work overalls, and take care to avoid touching any live parts.
Stay on
You may receive an electric shock if you fail to heed this warning. Only qualified service person is allowed to do
protection
this kind of work.
AMP Air Conditioning
6
7
www.ampair.co.uk | sales@ampair.co.uk
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Troubleshooting
