Mitsubishi Electric TPKA0A 1KA Series Installation Manual page 20

7. Test run
7.3. Self-check
■ Refer to the installation manual that comes with each remote controller for details.
• Refer to the following tables for details on the check codes. (Wireless remote controller)
[Output pattern A]
Beeper sounds Beep
OPERATION
INDICATOR
lamp flash
Off
pattern
Approx. 2.5 sec.
Self-check
starts
(Start signal
Number of flashes/beeps in pattern indicates the check
received)
code in the following table (i.e., n=5 for "P5")
[Output pattern B]
Beeper sounds Beep
OPERATION
INDICATOR
lamp flash
Off
pattern
Approx. 2.5 sec.
Self-check
starts
(Start signal
received)
[Output pattern A] Errors detected by indoor unit
Wireless remote controller
Beeper sounds/OPERATION
INDICATOR lamp flashes
Check code (Number of times)
1 P1
2 P2, P9
3 E6, E7
4 P4
P5
5
PA
6 P6
7 EE
8 P8
9 E4
10 –
11 PB (Pb)
12 PB (Pb)
14 PL
No sound E0, E3
No sound E1, E2
No sound – – – –
*1 If the beeper does not sound again after the initial 2 beeps to confirm the self-check start signal was received and the OPERATION INDICATOR lamp does not come
on, there are no error records.
*2 If the beeper sounds 3 times continuously "beep, beep, beep (0.4 + 0.4 + 0.4 sec.)" after the initial 2 beeps to confirm the self-check start signal was received, the
specified refrigerant address is incorrect.
• 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.
19
Beep Beep Beep Beep
1 2 3
st nd rd n
th
On On On
On
0.5 sec. 0.5 sec. 0.5 sec.
0.5 sec.
Beep Beep
1 2
st nd
On On On
Approx. 3 sec. 0.5 sec. 0.5 sec.
Number of flashes/beeps in pattern indicates the check
code in the following table (i.e., n=5 for "U2")
Wired remote
controller
RF thermostat
Check code
Inlet sensor error
Pipe (Liquid or 2-phase pipe) sensor error
Indoor/outdoor unit communication error
Float switch connector CN4F open.
Drain pump error
Forced compressor error
Freezing/Overheating safeguard operation
Communication error between indoor and outdoor units
Pipe temperature error
Remote controller signal receiving error
–
Indoor unit fan motor error
Indoor unit control system error (memory error, etc.)
Refrigerant circuit abnormal
Remote controller transmission error
Remote controller control board error
No corresponding
Beep Beep
1 2 · · · Repeated
st nd
Off On On
Approx. 2.5 sec. 0.5 sec. 0.5 sec.
Number of flashes/beeps in pattern indicates
the check code in the following table
Beep Beep
3 n
rd th
On On Off
0.5 sec. 0.5 sec. Approx. 2.5 sec.
Symptom
Beep Beep
1 2 · · · Repeated
st nd
On On On
Approx. 3 sec. 0.5 sec. 0.5 sec.
Number of flashes/beeps in pattern indicates
the check code in the following table
Remark