Panasonic CS-E12QB4RW, Service Manual

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12.9 Auto Restart Control

When the power supply is cut off during the operation of air conditioner, the compressor will re-operate within
three to four minutes (there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be
selected randomly) after power supply resumes.

This type of control is not applicable during ON/OFF Timer setting.

This control can be omitted by open the circuit of JP3 at indoor unit printed circuit board.
12.10 Indication Panel
LED POWER TIMER POWERFUL QUIET AIR SWING
Color Green Orange Orange Orange Orange
Light ON Operation ON Timer Setting ON POWERFUL Mode ON QUIET Mode ON AIR SWING ON
Light OFF Operation OFF Timer Setting OFF POWERFUL Mode OFF QUIET Mode OFF AIR SWING OFF
Note:

If POWER LED is blinking, the possible operation of the unit are Hot Start, during Deice operation, operation
mode judgment, or ON timer sampling.

If Timer LED is blinking, there is an abnormality operation occurs.
12.11 Drain Pump Control Operation
Drain pump control

This unit has built-in with drain pump.
Control content

During COOL/DRY mode.
o
During COOL/DRY mode, drain pump starts 10 seconds after indoor fan motor starts.
o
The drain pump is always ON.

After COOL/DRY mode, when unit turns OFF (power standby) or changes to HEAT mode.
o
The drain pump turns ON for 90 seconds immediately.

Error judgment
o
When float switch detects ON signal continuously for 2 minutes 30 seconds, error code H21 are shown.
o
When float switch ON has operated 2 times within 20 minutes, error code H35 are shown.