Fault Finding - FFS Brands Vizu 400 Pass Through Multi Stack Manual

Any servicing must only be carried out by qualified personnel. Unit must be removed from
electrical supply before servicing.
Problem
1. Indicated ON/OFF
switch does not light
up
2. Digital thermostat
does not indicate
temperature reading.
3. Lamps do not work
4. Unit does not heat
up.

FAULT FINDING

Probable Cause
No power to machine.
ON/OFF switch faulty
ON/Off switch OFF
Unit overheated
ON/OFF switch faulty
Digital thermostat faulty
No power
Green switch OFF
Lamp not correctly seated.
Faulty lamp
No power to machine
ON / OFF switch OFF
ON / OFF switch faulty
Digital thermostat faulty
Thermocouple faulty
Switching relay faulty
Heat element faulty
Solution
Check machine is plugged in and switched
on.
Check fuse in 13a plug, replace if faulty.
Check circuit breaker at main supply board
is in (ON) position.
Check Switch, replace if faulty.
Switch ON
Allow to cool.
Replace switch
Replace if thermostat faulty
See section 1
Switch ON Red switch
Switch ON Green switch.
Check fitted correctly
Replace lamp/bulb
See section 1.
Switch ON
Replace Switch
Replace thermostat
As indicated on controller replace
thermocouple
Replace relay
Replace element
Page 20 of 28