DELLA Versa TL Series - Troubleshooting

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v.20240726U
Having Problems? Having Problems?
Before consulting repair or warranty, please check the following troubleshooting guide.
In the case of an persistent problem, contact a qualified technician for diagnosis and repair.
• When encountering persisting problem, stop operation and turn off the breaker. Continue operation in an abnormal condition may
cause electric shock, fire, or damage to the unit.
• Do not attempt to repair or modify the unit by yourself. Incorrect work may result in electric shock, fire or injury.
Problem Possible Cause / Explanation / Solution
The appliance is non operational
When pressing the power button soon after operation was stopped
- Protective delay switch will delay the operation for 3 - 5 minutes if the air conditioner is turned
on immediately after it is turned o.
When switching between operation modes
- The internal protection is activated, wait for a few minutes for the AC to resume normal
operation.
The unit is currently has a turn ON timer activated.
The circuit breaker is tripped. Reset the circuit breaker.
Faulty electric connection, mismatch outlet voltage, or damaged electronic control board.
Contact a qualied technician.
The electrical cable and refrigerant lineset are connected to a dierent lettered port and
terminal on the outdoor unit.
The appliance suddenly stopped during
operation
An internal protection tripped after a sudden voltage uctuation. Check the circuit breaker and
reset if necessary.
The environment temperature is too high or too low.
The AC automatically activate de-frost process. This is not a malfunction.
Air lter is too dirty. Clean the air lter.
Some objects are obstructing air inlet or outlet of the indoor and / or the outdoor unit. Remove
the obstructing object.
Strange odor from the air ow
Air lter is too dirty. Clean the air lter.
The smells of the room, furniture, or cigarettes are absorbed into the unit and then discharged.
Remove odorous objects from the room.
Strange Noise
In the case of water owing noise
- The noise may caused by the refrigerant ow, or the internal water ow during cold / dry
mode. This is not a malfunction.
In the case of plastic cracking noise
- The noise may caused by the thermal expansion.
Troubleshooting
WARNING