Troubleshooting - Daikin FVXM25A3V1B User Reference Manual

9 Troubleshooting

CVXM-A, FVXM-A, CVXM-A9, FVXM-A9, FVXTM-A
Split system air conditioners
4P625990-1D – 2022.09
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, electrical
shock or fire. Contact your dealer.
WARNING
In case the unit is equipped with a refrigerant leakage sensor, turn off the unit using
the ON/OFF button on the user interface only.
The system MUST be repaired by a qualified service person.
Malfunction
If a safety device such as a fuse, a breaker or an
earth leakage breaker frequently actuates or the
ON/OFF switch does NOT function properly.
If water leaks from the unit.
The operation switch does NOT function
properly.
The Daikin eye flashes and you can check the
error code by the wireless remote control. To
display the error code, see
problems based on error
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.
The system suddenly stops
operating.
"9.3 Solving
4
codes" [ 58].
▪ Check if there is no power failure. Wait until
power is restored. If a 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.
▪ Check the batteries of the wireless remote control.
▪ Check if the air inlet or outlet of the outdoor or
indoor unit is NOT blocked by obstacles. Remove
any obstacles and make sure the air can flow
freely.
▪ The air conditioner may stop operating after
sudden large voltage fluctuations to protect the
system. It automatically resumes operation after
about 3 minutes.
9 Troubleshooting
|
Measure
Turn OFF the main power
switch.
Stop operation.
Turn OFF the power supply.
Notify your installer and report
the error code.
Measure
User reference guide
53