Daikin ECORICH EHU2504 - Page 61

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61
PIM00504
Alarm
Code
Name Cause Corrective Action
E32
Motor lock error
The motor does not rotate
when started.
Pump seized Replace the motor pump.
Locked due to
contamination
• Restart again.
• Replace the hydraulic oil.
• Clean the suction strainer.
Bearing seized Replace the motor pump.
E40
Motor thermistor
disconnection/short
circuit
The motor thermistor is
disconnected or short
circuited.
Motor thermistor wiring
is disconnected or short
circuited
Replace the thermistor.
Controller failure Replace the controller.
E41
Abnormal rise in motor
temperature
The motor temperature
exceeded the stipulated
value of 85°C for 30
seconds or longer.
The motor cooling fan
has stopped.
• Replace the fuse for the fan.
• Replace the cooling fan.
• Replace the fan harness.
• Replace the controller.
The radiator is clogged. Clean or replace the radiator.
The motor rotation
speed has risen.
• Check if the amount of oil leaking
from the circuit at the main
machine has increased.
• Review the setting of the high-
pressure safety valve.
• Replace the motor pump.
The ambient
temperature is too high.
• Install the unit at a location where
the ambient temperature is within
the stipulation.
• Install the unit at a location with
good ventilation.
Controller failure Replace the controller.
E42
Radiating fin thermistor
disconnection
The device thermistor is
disconnected or short
circuited.
Controller failure Replace the controller.
E43
Abnormal temperature
rise at a radiation fin
The device temperature
exceeded the stipulated
value of 110°C for 1
second or longer.
The cooling fan has
stopped.
• Replace the fuse for the fan.
• Replace the cooling fan.
• Replace the controller.
The radiator is clogged. Clean or replace the radiator.
The motor rotation
speed has risen.
• Check if the amount of oil leaking
from the circuit at the main
machine has increased.
• Review the setting of the high-
pressure safety valve.
• Replace the motor pump.
The ambient
temperature is too high.
• Install the unit at a location where
the ambient temperature is within
the stipulation.
• Install the unit at a location with
good ventilation.
Controller failure Replace the controller.