Daikin EUWL KZW1 Series, Service Manual

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ESIE-0303 Malfunction Indications and Safeties Overview
Part 3 – Troubleshooting 3–11
3 3
4
5
1
Alarm indicators on
I/O PCB The table below describes the alarm indicators on the I/O PCB.
Alarm indications
on I/O PCB The table below describes the alarm indications on the I/O PCB.
If more than one alarm is present, the reverse phase has the highest priority.
Service information
for alarm
indications ■ If the error is solved, H1P and H2P keep their latest status. They can only be reset by switching
OFF/ON the power from the I/O PCB.
■ If alarm codes
fl
and
h1
are flashing alternately, the alarm is likely to be caused by the reverse
phase protection.
Symbol Indication
HAP Green LED ■ Blinking = CPU OK
■ Not blinking = CPU NOK
H1P Red LED
H2P Red LED
Indication H1P H2P
No error OFF OFF
Safety device ON OFF
Reverse phase OFF ON
Sensor defective ON ON