Service And Maintenance; Service Parts; Maintenance Procedures; Trouble Shooting - McQuay CE 10C Installationshandbuch

Service Parts

Indoor air filter
Indoor unit
Condense drain pan & pipe
Indoor fan
Indoor/outdoor coil
Power supply
Compressor
Compressor oil
Fan motor oil
! Caution
When any malfunction of the air conditioner unit is noted, immediately switch off the power supply to the
unit. Check the following fault conditions and causes for some simple trouble shooting tips.
1. The compressor does not start operate after 3 minutes
from starting the air conditioner unit.
2. The air conditioner unit does not operate.
3. The air flow is too low.
4. The remote control display is dim.
5. Discharge air flow has bad odor.
6. Condensation on the front air grille of the indoor unit.
7. Water flowing out from the air conditioner unit.
8. Hissing air flow sound from the air conditioner unit
during operation.
If the fault persists, please call your local dealer / serviceman.

SERVICE AND MAINTENANCE

Maintenance Procedures

1. Remove any dust adhered on the filter by using a vacuum
cleaner or wash in lukewarm water (below 40°C) with neutral
cleaning detergent.
2. Rinse well and dry the filter before placing it back onto the
unit.
3. Do not use gasoline, volatile substances or chemical to clean
the filter.
1. Clean any dirt or dust on the grille or panel by wiping it using
soft cloth soaked in lukewarm water (below 40°C) with
neutral detergent solution.
2. Do not use gasoline, volatile substances or chemical to clean
the indoor unit.
1. Check its cleanliness and clean it if necessary.
1. Check for any abnormal noise.
1. Check and remove any dirt clogged between the fins.
2. Check and remove any obstacles that hinder air flowing into
and out of the indoor/outdoor unit.
1. Check the voltage and current of the indoor and outdoor unit.
2. Check the electrical wiring for any faulty contacts caused by
loose connections, foreign matters, etc. Tighten the wires onto
the terminal block if necessary.
1. No maintenance needed if the refrigerant circuit remain sealed.
However, check for any refrigerant leaks at all joints and
fitting.
1. The compressor oil is factory-precharged. It is not necessary
to add any oil if the circuit remains sealed.
1. All motor pre-lubricated and sealed at factory.
Do not operate any heating apparatus too close to the air conditioner unit. This may
cause the plastic panel to melt or deform as a result of the excessive heat.

TROUBLE SHOOTING

Fault
- Protection against frequent starting. Wait for 3 to 4
minutes for the compressor to start operate.
- Power failure, or the fuse need to be replaced.
- The power plug is disconnected.
- It is possible that your delay timer has been set incorrectly.
- If the fault persist after all these verifications, please
contact the air conditioner unit installer.
- The air filter is dirty.
- The doors or windows are open.
- The air suction and discharge are clogged.
- The regulated temperature is not high enough.
- Battery flat.
- The batteries are placed incorrectly.
- Odors may be caused by cigarettes, smoke particles,
perfume etc. which might have adhered onto the coil.
- This is caused by air humidity after an extended long
period of operation.
- The set temperature is too low, increase the temperature
setting and operate the unit at high fan speed.
- Check the condensate evacuation.
- Refrigerant fluid flowing into the evaporator coil.
1-12
Period
At least once
every 2 week.
More frequently if
necessary.
At least once
every 2 weeks.
More frequently if
necessary.
Every 3 months.
When necessary.
Every month.
Every month.
Every 2 months.
Every 2 months.
Every 6 months.
No maintenance
required.
No maintenance
required.
Causes