E525: Side fence jogger home position sensor error 2 (A156/A160 only)
- Definition - [C]
The side fence jogger home position sensor remains actuated for
1.0 second when the jogger home position initialization procedure is performed.
- Possible Causes -
• Side fence jogger home position sensor defective.
• Side fence jogger motor defective
• Duplex control board defective
• Main control defective
E541: Fusing thermistor open
- Definition - [A]
The output of the fusing thermistor (TH1 or TH2 or both) goes to 5 volts,
corresponding to 0°C.
- Possible Causes -
• Fusing thermistor open
• Main control board defective
• Fusing lamp open
E542: Fusing temperature warm-up error
- Definition - [A]
The fusing temperature does not reach the ready temperature within
3.0 minutes after the main switch is turned on.
- Possible Causes -
• Fusing thermistor defective or out of position
• Fusing lamp open
• Fusing thermofuse open
• AC drive board defective (check the triac)
E543: Fusing overheat (measured directly from the thermistor)
- Definition - [A]
A fusing temperature of over 230 °C is detected 5 times (this takes 5 seconds).
- Possible Causes -
• Fusing thermistor defective
• AC drive board defective (check the triac)
• Main control board defective
FT5535/4527/4522 6-38 FSM
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