Self-Check Function, Function Table - Mitsubishi Electric PAA-A18AA1 Service Manual

11.2. Self-check function, Function Table

• Refer to the installation manual that comes with each remote controller for details.
[Output pattern A] Errors detected by indoor unit
Wired remote controller
RF thermostat
Check code
P1 Intake sensor error
P2, P9 Pipe (Liquid or 2-phase pipe) sensor error
E6, E7 Indoor/outdoor unit communication error
P4 Drain sensor error
P5 Drain pump error
P6 Freezing/Overheating safeguard operation
EE Communication error between indoor and outdoor units
P8 Pipe temperature error
E4 Remote controller signal receiving error
– –
Fb Indoor unit control system error (memory error, etc.)
–– No corresponding
NOTE
Refer to outdoor service manual for errors pertaining to the outdoor unit.
AUTO RESTART FUNCTION
Indoor controller board
This model is equipped with the AUTO RESTART FUNCTION.
When the indoor unit is controlled with the remote controller, the operation mode, set temperature, and the
fan speed are memorized by the indoor controller board.
The auto restart function works after power is restored after a power failure. The unit will restart
automatically approximately 4 minutes after power is restored.
Set the AUTO RESTART FUNCTION using the wireless remote controller. (Mode no.1).
Specifications are subject to change without notice.
PAA-A18, 24, 30, 36, 42AA1/BA1/CA1
Symptom Remark
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