Sony Betacam SX DNW-A100 Maintenance Manual page 116

3-2. Details of Error Messages
ERROR-14 FAN MOTOR TROUBLE
(FAN MOTOR)
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 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
Possible causes: . Fan motor trouble
. 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
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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 HDD units Pauses at under
5dC/40dF
For mechanical deck Always rotating
For power supply unit Always rotating
3-14
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
Power switch circuit
None
Q4 and Q5/MB-648 board
Q1 and Q2/MB-648 board
None
DNW-A100/A50/A45
DNW-A100P/A50P/A45P