Mitsubishi Electric PKH-FAK, Installation Manual

Page: 13 / 80

13
6. Test run
Fig. 6-3
Fig. 6-4
OPERATION
INDICATOR
lamp blinking
pattern
Beep Beep Beep Beep Beep Beep Beep
Off
Approx. 2.5 sec.
On
0.5 sec.
On
0.5 sec.
On
0.5 sec.
On
0.5 sec.
Off
Approx. 2.5 sec.
On
0.5 sec.
On
0.5 sec.
· · · Repeated
Number of blinks/beeps in pattern indicates the check
code in the following table (i.e., n=5 for “P5”)
Number of blinks/beeps in pattern indicates
the check code in the following table
n
th
1
st
2
nd
3
rd
1
st
2
nd
Self-check
starts
(Start signal
received)
Beeper sounds
• Refer to the following tables for details on the check codes. (Wireless remote controller)
[Output pattern A]
6.3. Self-check
6.3.1. Wired remote controller (Fig. 6-3)
Turn on the power.
Press the [CHECK] button twice.
Set refrigerant address with [TEMP] button if system control is used.
Press the [ON/OFF] button to stop the self-check.
CHECK button
Refrigerant address
TEMP. button
IC: Indoor unit
OC: Outdoor unit
Check code
Unit address
6.3.2. Wireless remote controller (Fig. 6-4)
Turn on the power.
Press the
button twice.
(Start this operation from the status of remote controller display turned off.)
begins to light.
“00” begins to blink.
While pointing the remote controller toward the unit’s receiver, press the
button. The check code will be indicated by the number of times that the buzzer
sounds from the receiver section and the number of blinks of the operation
lamp.
Press the ON/OFF button to stop the self-check.
[Output pattern A] Errors detected by indoor unit
Wireless remote controller
Wired remote
controller
Symptom Remark
Beeper sounds/OPERATION
INDICATOR lamp blinks
(Number of times)
Check code
1 P1 Intake sensor error
2 P2, P9 Pipe (TH2) sensor error
3 P3 Indoor/Remote controller unit communication error
4 P4 Drain sensor error
5 P5 Drain pump error
6 P6 Freezing/Overheating protection operation
8 P8 Pipe temperature error/Outdoor unit error
9 E4, E5 Remote controller signal receiving error
10 — —
11 — —
No sound E0, E3 Remote controller transmission error
No sound E1, E2 Remote controller control board error
• On wireless remote controller
The continuous buzzer sounds from receiving section of indoor unit.
Blink of operation lamp
• On wired remote controller
Check code displayed in the LCD.
• If the unit cannot be operated properly after the above test run has been performed, refer to the following table to remove the cause.
Symptom
Cause
Wired remote controller
PLEASE WAIT
For about 2 minutes following power-
on
• For about 2 minutes following power-on, operation of the remote controller is not
possible due to system start-up. (Correct operation)
PLEASE WAIT → Error code
After about 2 minutes has expired fol-
lowing power-on
• Reverse or open phase wiring for the outdoor unit’s power terminal block
• Incorrect wiring between indoor and outdoor units (incorrect polarity 1, 2, 3)
Display messages do not appear even
when operation switch is turned ON
(operation lamp does not light up).
• Remote controller wire short
• Wiring between indoor and outdoor units short
BG79U881K03_en.indd 13 2/12/2007 11:39:48 AM