Fault Analysis; Furnace Does Not Heat Up - VERDER CARBOLITE GERO E Series Installation, Operation And Maintenance Instructions

8.0 Fault Analysis

A.

Furnace Does Not Heat Up

The HEAT
1.
light is ON
The HEAT
2.
light is OFF
The heating element
has failed
The controller shows a
very high temperature
or code such as S.br
The controller shows a
low temperature
There are no lights
glowing on the
controller
8.0 Fault Analysis
Check also that the SSR is working
correctly
The thermocouple has broken or has
a wiring fault
The door switch(es) (if fitted) may
be faulty or need adjustment
The contactor/relay (if fitted) may
be faulty
The heater switch (if fitted) may be
faulty or need adjustment
The SSR could be failing to switch on
due to internal failure, faulty logic
wiring from the controller, or faulty
controller
Check the supply fuses and any
fuses in the furnace control
compartment
The controller may be faulty or not
receiving a supply due to a faulty
switch or a wiring fault.
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