Panasonic CS-A24BB4P, Service Manual

Page: 137 / 208

operation, the drain pump turns on when the compressor turns
on. (The drain pump turns on during freezing prevention control.)
- When the compressor turns off, the drain pump will still
continue its operation for 6 more minutes.
- If the drain pump is running when operation stops or when
the operating mode is changed, the drain pump will still
continue its operation for 6 more minutes.
2. Drain water problems
A. Starting / If it is detected that the float switch is off, the drain
pump turns on for 5 minutes. If the float switch is still found to
be off after these 5 minutes have passed, or if the float switch is
found to turn off twice during another 30 minutes period, a
drain water error will be generated.
B. Normal operation / After extension control (louvre initialization
and pre-heating cancel), the indoor units and outdoor units
stop running. LED2 on the indoor unit self-diagnosis LED panel
will flash, and “CHECK” will appear on the wired remote control
display. / The error code (F15-01) can be displayed by pressing
the CHECK button. / When the wireless remote control is being
used, the OPERATION indicator on the ray receiver will flash. / /
<If the float switch does not operate again after turning off>
(When float switch is continuously off)
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