H3-47
006-252-02
10.22.99 FM2569
FM-DP L
Service Manual
H3-47
MAINTENANCE 3. TROUBLESHOOTING
Error code
Error name
Significance
Probable cause and remedy
Detailed
information format
0933
Temperature abnormally
high error (Plate 3)
The heater (HG3) temperature does not
drop to the currently set value (TH) even
after 5 minutes.
9-A
0934
Temperature abnormally
high error (Plate 4)
The heater (HG4) temperature does not
drop to the currently set value (TH) even
after 5 minutes.
9-A
0935
Temperature abnormally
high error (Plate 5)
The heater (HG5) temperature does not
drop to the currently set value (TH) even
after 5 minutes.
9-A
Malfunction of the built-in cooling fan, or built-in temperature
detection thermistor, malfunction of the heater, or SNS board.
1. Check that the connector to the heater, cable to the heater,
and connector of the power supply unit are set correctly.
2. Check the operations of the built-in cooling fan using the
M-Utility. Replace the fan if operations are faulty.
3. After cooling the equipment, check the operations of each
heater using the M-Utility. Check the temperature around
each heater with your hand, if not warm, check that the
wiring is normal, and replace the thermistor.
4. Check that the wiring between the SNS board and power
supply unit is normal, and replace the SNS board.
5. Replace the power supply unit.
Malfunction of the built-in cooling fan, or built-in temperature
detection thermistor, malfunction of the heater, or SNS board.
1. Check that the connector to the heater, cable to the heater,
and connector of the power supply unit are set correctly.
2. Check the operations of the built-in cooling fan using the
M-Utility. Replace the fan if operations are faulty.
3. After cooling the equipment, check the operations of each
heater using the M-Utility. Check the temperature around
each heater with your hand, if not warm, check that the
wiring is normal, and replace the thermistor.
4. Check that the wiring between the SNS board and power
supply unit is normal, and replace the SNS board.
5. Replace the power supply unit.
Malfunction of the built-in cooling fan, or built-in temperature
detection thermistor, malfunction of the heater, or SNS board.
1. Check that the connector to the heater, cable to the heater,
and connector of the power supply unit are set correctly.
2. Check the operations of the built-in cooling fan using the
M-Utility. Replace the fan if operations are faulty.
3. After cooling the equipment, check the operations of each
heater using the M-Utility. Check the temperature around
each heater with your hand, if not warm, check that the
wiring is normal, and replace the thermistor.
4. Check that the wiring between the SNS board and power
supply unit is normal, and replace the SNS board.
5. Replace the power supply unit.