• Code: F8-30
• Description: FAX microprocessor access error(3rd line)
• Causes: FAX 1-chip microprocessor access error (Read and write)
• Remedy: Case 1 Cause Program writing trouble to the 1-chip microprocessor, or no program data written. Check and Remedy Use SIM66-42 to rewrite the 1-chip microprocessor program. Case 2 Cause FAX 1-chip microprocessor circuit trouble. Check and Remedy Replace the FAX control PWB.

• Code: F8-97
• Description: Incompatibility between FAX control and main machine(3rd line)
• Causes: The FAX control PWB installed is improper. FAX control PWB trouble.
• Remedy: Install a proper FAX control PWB. Replace the FAX control PWB.

• Code: F8-98
• Description: Incompatible destination between FAX control and main machine(3rd line)
• Causes: Incompatibility between the destination information written into the FAX control PWB EEPROM and that in the main machine (set with SIM26-6)
• Remedy: 1) Check the destination of the FAX control PWB. 2) Check the destination of the machine. (SIM26-6)

• Code: H2-00
• Description: Thermistor open trouble (TH_UM_AD2)
• Causes: Thermistor trouble PCU PWB trouble Thermistor connector and harness connection trouble Fusing section connector connection trouble Fusing unit not installed
• Remedy: Use SIM44-14 to check the state of the thermistor. Replace the thermistor. Replace the PCU PWB. Check connection of the thermistor connector and the harness. Check the connector in the fusing section.

• Code: H2-02
• Description: Thermistor open trouble TH_US
• Causes: Thermistor trouble Control PWB trouble Fusing section connector connection trouble AC power trouble Fusing unit not installed.
• Remedy: Check connection of the harness and the connector from the thermistor to the control PWB.

• Code: H2-03
• Description: Thermistor open trouble TH_UM_AD1
• Causes: Thermistor trouble Control PWB trouble Fusing section connector connection trouble AC power trouble Fusing unit not installed.
• Remedy: Check connection of the harness and the connector from the thermistor to the control PWB.

• Code: H2-05
• Description: Non-contact upper sub thermistor open
• Causes: Thermistor trouble Control PWB trouble Fusing section connector connection trouble AC power trouble Fusing unit not installed.
• Remedy: Check connection of the harness and the connector from the thermistor to the control PWB.

• Code: H2-06
• Description: Contact upper sub thermistor open
• Causes: Thermistor trouble Control PWB trouble Fusing section connector connection trouble AC power trouble Fusing unit not installed.
• Remedy: Check connection of the harness and the connector from the thermistor to the control PWB.