Hitachi PXR

7-21
7.2.20 Pump Motor Fault
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7.2.21 Cooling Fan Fault
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Cooling Fan Fault
Disconnect the EZJ93 board
CN2 connector and relay
connector reconnect it.
Replace the EZJ93 board.
Resume the
operation.
Replace cooling fan.
Does the fault recur?
Y
es
No
Does the fault recur?
Y
es
No
Pump Motor Fault
Pull out and insert the
connector CN2 of the EZJ93
board and the pump motor
connector.
Replace the EZJ93 board.
Resume the
operation
.
Replace the pump motor.
Does the fault recur?
Y
es
No
Y
es
No
Does the fault recur?