Daikin FCRN - Page 40

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Troubleshooting
Error Code / Fault Condition
When a malfunction of the air conditioner unit is detected, immediately switch off the main power supply
before proceeding with the following troubleshooting procedures.
The following are common fault conditions and simple troubleshooting tips. If any other fault conditions which
are not listed occur, contact your nearest local dealer. DO NOT attempt to troubleshoot the unit by yourself.
No Fault conditions Possible causes / corrective actions
1 The air conditioner unit will not resume after
power failure.
• The auto restart function is not functioning.
Please turn on the unit with the wireless /
wired controller.
2 The compressor does not operate 3 minutes
after the air conditioner unit is started.
• Protection against frequent starting.
• Wait for 3 or 4 minutes for the compressor to
start operating by itself.
3 Theairowistoosloworroomcannotbe
cooledsufciently.
• Theairlterisdirty.
• The doors and windows are opened.
• The air suction and discharge of both indoor
and outdoor units are clogged or blocked.
• The regulated temperature or temperature
setting is not low enough.
4 Dischargeairowhasbadodor. • Cigarettes, smoke particles, perfume and
others, which might have adhered onto the
coil, may cause odor.
• Contact your nearest dealer.
5 Condensation on the front air grille of the indoor
unit.
• This is caused by air humidity after an
extended period of operation.
• The set temperature is too low. Increase the
temperature setting and operate the unit at
high fan speed.
6 Waterowingoutfromtheairconditioner. • Switch off the unit and contact your nearest
dealer. This might be due to tilted installation.
7 Hissingairowsoundfromtheairconditioner
unit during operation.
• Liquidrefrigerantowingintotheevaporator
coil.
8 The wireless controller display is dim. • The batteries are discharged.
• The batteries are not correctly inserted.
• The assembly is not good.
9 Compressor operates continuously. • Dirtyairlter.Cleantheairlter.
• Temperature setting too low. Use higher
temperature setting.
10 No cool air comes out during cooling cycle • Temperature setting too high. Use lower
temperature setting.