Fault Finding
13
This section provides a reference to the more common
problems that may occur during the operation of your
proofer / holding cabinet. This fault finding guide is
intended to help you correct, or at least accurately
diagnose problems with your proofer / holding cabinet.
When fault finding a problem, always use a process of
elimination starting with the simplest solution and working
through to the most complex. Never overlook the obvious.
You may encounter a problem not covered in this section,
please contact your service provider who will require the
following information:-
Model and Serial Number of proofer / holding
cabinet, can be found on the Technical Data Plate
located on front right hand side panel of the cabinet.
Fault
Possible Causes
Remedy
The Proofer / Holding Cabinet does
not operate / start.
Mains isolating switch on the wall, circuit
breaker or fuses are 'Off' at the power board.
Function Control is faulty.
Turn 'On’.
Call for service.
The Proofer / Holding Cabinet lights
not illuminating.
Blown bulbs.
Function Control faulty.
Blown Fuse.
Replace bulbs.
Call for service.
Call for service.
Fan does not operate.
Fan obstructed.
Fan motor faulty.
Function Control faulty.
Clear obstruction.
Call for service.
Call for service.
Door does not close.
Tray in way of door.
Door seal obstruction.
Correctly position tray in rack.
Correctly refit door seal. (Refer to the ‘Cleaning
and Maintenance’ Section).
Slow Recovery.
Overloading of cabinet.
Door opened unnecessarily.
Reduce batch size.
Do not open unnecessarily.
No Humidity.
Unit is in HOLD mode
Low water level in trough.
No water in trough.
Humidity set too low.
Humidity Thermostat faulty.
Wet Element faulty.
Switch unit to PROOF mode. (Humidity is only
generated in PROOF mode).
Solenoid or Float Switch faulty - Call for service.
Refer to ‘No Water Supply’ below.
Set humidity to higher setting.
Call for service.
Call for service.
No Dry Heat.
Function Control is ‘Off’.
Thermostat Control is ‘Off’.
Function Control faulty.
Thermostat Control faulty.
The element is faulty.
Turn ‘On’ the Function Control.
Turn ‘On’ the Thermostat Control.
Call for Service.
Call for Service.
Call for Service.
No Water Supply.
Water turned ‘Off’ at mains supply.
Water Solenoid faulty.
Float Switch faulty.
Relay Faulty.
Check mains supply and turn ‘On’ water.
Call for service.
Call for service.
Call for service.
Summary of Contents for TURBOFAN P12M Series
Page 19: ......
