Fan Defective Or Temperature Limiter Triggered (702) - Henny Penny FlexFusion FPG-221 Service Instructions Manual

Fault messages & troubleshooting

Fan defective or temperature limiter triggered (702)

Switch on the unit and measure the voltage at the main contactor Q1, terminals A1 and A2. Is
voltage present at the main contactor (110 V) and is it energized (switched on)?
No voltage present. There is an error in the STL
Has one of the safety temperature limiters tripped?
Reset the safety temperature limiter. Measuring tips
of both cooking chamber sensors. Check for
contamination. Clean if necessary.
94
Description
The control board A1 does not receive any response via the CAN bus
cable from fan motor M10. There is an error in the safety circuit or fan
area.
Troubleshooting
No
circuit.
Yes
Service-instructions
Yes
Voltage present. There is an fault in the fan area.
No
Continued on next page
No
Check fuse F4 from the control circuit. If necessary,
replace fuse and determine whether component is
faulty. Error eliminated?
No
Check fuse F3 on control board A1. Replace fuse if
necessary. Check main contactor Q1 and control
board A1.
Check relay K1 on the control board. If necessary,
use backup relay or replace control board.