Troubleshooting - Daikin FAA71BUV1B Installer And User Reference Manual

11 Troubleshooting

FAA71+100BUV1B
Split system air conditioner
4P654517-1 – 2021.03
If one of the following malfunctions occur, take the measures shown below and
contact your dealer.
WARNING
Stop operation and shut off the power if anything unusual occurs (burning smells
etc.).
Leaving the unit running under such circumstances may cause breakage, electric
shock or fire. Contact your dealer.
The system MUST be repaired by a qualified service person.
Malfunction
If a safety device such as a fuse, a circuit breaker
or a residual current device frequently actuates
or the ON/OFF switch does NOT function
properly.
If water leaks from the unit.
The operation switch does NOT function
properly.
If the user interface displays
If the system does NOT operate properly except for the above mentioned cases
and none of the above mentioned malfunctions is evident, investigate the system
in accordance with the following procedures.
Malfunction
If the system does not
operate at all.
Turn OFF all main power supply
switches to the unit.
Stop operation.
Turn OFF the power supply.
. Notify your installer and report
the error code. To display an
error code see the reference
guide of the user interface.
Measure
▪ Check if there is no power failure. Wait until
power is restored. If power failure occurs during
operation, the system automatically restarts
immediately after power is restored.
▪ Check if no fuse has blown or breaker is activated.
Change the fuse or reset the breaker if necessary.
11 Troubleshooting
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Installer and user reference guide
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