Carrier 40KQM Gebrauchsanweisung Seite 5

40KQM
Unit warning lights and controls
Indoor unit LEDs
Information concerning indoor unit operation, timer status and
diagnostic is given by 3 LEDs located on the unit.
• THE GREEN LED (P) and THE YELLOW LED (R) shows the
following conditions:
- Fault codes (diagnostic);
- During normal operation, the LED is lit.
Once a failure occurs, the LED flashes at intervals of 0.5
seconds The fault code is deduced from the number of times the
LED flashes. Between one flash cycle and the next a pause of 5
seconds elapses.
• THE RED LED (Q) gives the following information:
- During normal operation, the LED is OFF;
- During defrost the LED is lit;
- During the test for wired connection, the LED flashes at 0.1
second intervals.
Table II: Periodical checks
Indoor unit
Clean air filter (2)
Clean drain pipe (2)
Change controller batteries
Outdoor unit
Clean outdoor coil from outside
Clean outdoor coil from inside (2)
Blow air over electric parts (2)
Check electric connection tightening (2)
Clean fan wheel (2)
Check fan tightening (2)
Clean drain pan (2)
• THE YELLOW LED (R) shows the operation in timer mode.
During this operation in this operating mode, the LED is lit.
restarted after a stop, this LED flashes until a new signal is sent
to the unit.
TEST operation:
Is exclusively used by service personnel to test unit operation.
The test procedure is activated via the remote control.
Every month Every 4 months
•
(1)
Every month Every 4 months
If the timer mode is active and the unit is immediately
Every year
•
•
Every year
•
•
•
•
•
•
•
E N G L I S H
P : Green LED
Q : Red LED
R : Yellow LED
S : Remote control
signal receiver
For a good operation of the
air conditioner it is
recommended to carry out
checks and maintenance
as indicated.
Recommended
maintenance intervals may
vary depending on the
installation environment,
e.g. dusty zones, etc.
(1) Increase frequency in
dusty zones.
(2) Operations to be
carried out by qualified
service personnel.
Refer also to
"Installation Manual".
GB - 3