Sony DNW-A100 Maintenance Manual page 100

3-1. Error Message
ERROR-14 FAN MOTOR TROUBLE
Description: Malfunction of cooling fan motor was detected.
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If this error occurred, stop immediately operation of the unit, and turn off the power.
If a fan stops and the unit continue use, overhearting inside the unit can cause a fire or a failure.
Detection conditions: 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 cause:
. 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
Protection operation: None
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This unit has four fan motors.
When the above detection conditions 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 sate
For rear Always rotating
For HDD units Pauses at under +5dC IC500/SS-63 board IC500/SS-63 board Q4 and Q5/MB-648 board
For mechanical deck Always rotating
For power supply unit Always rotating
3-12
FG input port Control port
IC500/SS-63 board None
IC115/SS-63 board IC500/SS-63 board Q1 and Q2/MB-648 board
IC115/SS-63 board None
Power switch circuit
None
None
DNW-A100P/A50P/A45P
DNW-A100/A50/A45