Daikin REMQ14PY1 [407/491] Compre ss or overc u rrent electronic therm a l 1

Daikin REMQ8PY1 [407/491] Compre ss or overc u rrent electronic therm a l 1
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32.3A
19.0A
16.1A
260 consecutive sec.
5 consecutive sec.
P4L1 L4U2 P1 PJ E5 L9
L5 L8
LC
L5
L8
L8
Inverter compressor lock
(Compressor does not run at all.)
PC board mismatching
When incorrect inverter
PC board is connected
Imbalanced power supply voltage
When imbalance in
voltages among three
phases comes to 2%
or more
Transmission error
When transmissions between the
main PC board and the inverter
PC board are not normal
When the radiator fin
temperature reached
93°C or more
When the power supply
voltage falls out of the
range of 400VAC±10%
When the fin thermistor resistor detects
an open circuit (-30°C or less) or a short
circuit (120°C or more)
When the heavy current part of
inverter gets faulty (gives no output)
Instantaneous overcurrent of inverter compressor
(When inverter output current exceeds 32.3A
even instantaneously)
1
An overcurrent of 19.0A or more continues
for a period of 5 consecutive seconds
2
An overcurrent of 16.1A or more continues
for a period of 260 consecutive seconds.
Faulty startup of inverter compressor
(Compressor stops running
immediately after it starts up.)
Weak-current
part
Inverter
PC board
Heavy-current
part (Power
transmission etc.)
Power supply
(3 phase, 400VAC)
Main (Control) PC board
Radiator fin temperature rise
Faulty fin thermistor
Power supply voltage error
Faulty inverter
Overcurrent of inverter compressor
Compressor
Time
Compressor overcurrent
(Electronic thermal 1)
Malfunction codes related
to compressor current
Instantaneous
overcurrent
Compressor overcurrent
(Electronic thermal 2)
Max. control
Current

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