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ERROR-14
FAN MOTOR TROUBLE
(FAN MOTOR)
Description:
Malfunction of cooling fan motor was detected.
c
If this error occurred, stop immediately operation of the unit, and turn off the power.
If the unit uses continuously under the fan is stopped state, overhearting inside the unit can cause a fire or
a failure.
Detecting condition:
When the fan motor FG frequency is less than the specified value continuously
for more than one second.
Sub error message:
None
. Fan motor trouble
Possible causes:
. Fan motor FG input port (IC115 or IC500 on SS-63 board) trouble
. Fan motor control port (IC500 on SS-63 board) trouble
. Fan motor power switch circuit (MB-648 board) trouble
Protecting operation:
None
n
This unit has four fan motors.
When the above detecting condition is satisfied by any fan motor, this error occurs.
Relations of fan motors and operation state, ports, power switch circuit are as follows.
Use
Operation state
For rear
Always rotating
*
For EQ-56 board
Always rotating
For mechanical deck
Always rotating
For power supply unit
Always rotating
* : DNW-A22
Serial numbers 10001 to 11430 only
DNW-A22P Serial numbers 10001 to 11080 only
DNW-A22/A22P
FG input port
Control port
IC500/SS-63 board
None
IC500/SS-63 board
IC500/SS-63 board
IC115/SS-63 board
IC500/SS-63 board
IC115/SS-63 board
None
3-2. Details of Error Messages
Power switch circuit
None
Q4 and Q5/MB-648 board
Q1 and Q2/MB-648 board
None
3-13
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