Brother HL-2600CN Service Manual page 325

H0 (wire cut/ short error of thermistor)
Error Code
Fusing Unit
Concerned Part
Confirm the connection of a fusing unit connector.
Is the fusing unit properly installed ?
Is there any contact failure due to damaged connector of fusing unit ?
Are the connectors properly connected between the fusing unit
and FUCN of MCTL PWB 2?
Replace the fusing unit.
Is H0 error cleared ?
Job is complete.
YES
NO
Re-install the fusing unit.
YES
Replace the charger unit or belt cartridge.
NO
Connect them properly.
NO
Is H0 error cleared ?
NO
Replace the IOD1 or MCTL PWB 2.
MCTL
OCN
YES
Job is complete.
Fusing Unit