
27.0 Fault Finding
C.
Furnace Overheats
The heated lamps
never turn off
The controller shows a very
high temperature
The controller may be
faulty
The controller shows a low
temperature
The thermocouple may
have been shorted out or
may have been moved
out of the heating
chamber
The thermocouple may
be connected the wrong
way round
The controller may be
faulty
The heat lamp(s)
remain on when the
controller is off
The SSR has failed 'ON'
Check for an accidental
wiring fault which could
have overloaded the SSR
A temperature that
is higher than the
setpoint is shown
during the test
No fault. Burning bitumen
causes the temperature to
increase above the
setpoint. This is normal.
86
Summary of Contents for CARBOLITE GERO ABA 7/35B
Page 11: ...2 2 Identifying the Parts 11 2 0 Supplied Item List ...
Page 19: ...Fig 14 Schematic for Mains Electrical Connections 19 3 0 Installation ...
Page 57: ...Fig 61 Screen view Standard Recipe Fig 62 Calibration Recipe 57 14 0 Recipe Editor ...
Page 70: ...20 0 Temperature Calibration Fig 72 Screen view Dual Point Calibration 70 ...
Page 93: ...Notes Service Record Engineer Name Date Record of Work ...