Moffat P12M, P8M operation manual Fault Finding, Fault Possible Causes Remedy

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Fault Finding

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:-

The Model and Serial Number of the proofer / holding cabinet, can be found on the Technical Data Plate located on the front right hand side panel of the cabinet.

Fault

Possible Causes

Remedy

 

 

 

 

Mains isolating switch on the wall, circuit

Turn 'On’.

The Proofer / Holding Cabinet does

breaker or fuses are 'Off' at the power board.

 

not operate / start.

Function Control is faulty.

Call for service.

 

 

 

 

 

Function Control is ‘Off’.

Turn ‘On’ the Function Control.

 

Thermostat Control is ‘Off’.

Turn ‘On’ the Thermostat Control.

No Dry Heat.

Function Control faulty.

Call for Service.

 

Thermostat Control faulty.

Call for Service.

 

The element is faulty.

Call for Service.

 

 

 

 

Unit is in HOLD mode

Switch unit to PROOF mode. (Humidity is only

 

 

generated in PROOF mode).

 

Low water level in trough.

Solenoid or Float Switch faulty - Call for service.

No Humidity.

No water in trough.

Refer to ‘No Water Supply’ below.

 

 

 

Humidity set too low.

Set humidity to higher setting.

 

Humidity Thermostat faulty.

Call for service.

 

Wet Element faulty.

Call for service.

 

 

 

 

Water turned ‘Off’ at mains supply.

Check mains supply and turn ‘On’ water.

No Water Supply.

Water Solenoid faulty.

Call for service.

Float Switch faulty.

Call for service.

 

 

Relay Faulty.

Call for service.

 

 

 

Slow Recovery.

Overloading of cabinet.

Reduce batch size.

Door opened unnecessarily.

Do not open unnecessarily.

 

 

 

 

The Proofer / Holding Cabinet lights

Blown bulbs.

Replace bulbs.

 

 

not illuminating.

Function Control faulty.

Call for service.

 

 

 

 

 

Fan obstructed.

Clear obstruction.

Fan does not operate.

Fan motor faulty.

Call for service.

 

Function Control faulty.

Call for service.

 

 

 

 

Tray in way of door.

Correctly position tray in rack.

Door does not close.

Door seal obstruction.

Correctly refit door seal. (Refer to the ‘Cleaning

 

 

 

and Maintenance’ Section).

 

 

 

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Contents P8M / P12M Series Manufactured by Contents List Introduction Safety InformationPower Ratings SpecificationsTray Details Installation Requirements InstallationUnpacking ClearancesMax Inlet Pressure 80psi / 550kPa Water ConnectionOperation Set Humidity Control 6 to the desired level Set the Function Control 2 to ‘ON’Set the Function Control 2 to ‘HOLD’ Proofer / Holding Cabinet Cleaning CleaningStainless Steel Surfaces Side RacksWater Tank Element Water TankDoor Condensation ChannelLamp Glass Fault Possible Causes Remedy Fault FindingElectrical Schematic P8M P12M Proofer Holding Cabinets Electrical SchematicDescription Replacement Parts List