CLAS 7700023, Operator'S Manual, Page: 9 / 56

6.
TROUBLESHOOTING AND REPAIR
TROUBLE CAUSE REMEDY
3
GB
BURNED-OUT ELEMENT
REGULATOR THERMOSTAT
BROKEN
LIMITER THERMOSTAT
TRIPPED
BROKEN CONNECTIONS
BLOCKED AIR INTAKE
THE ELECTRIC MOTOR IS
NOT WORKING TO ITS
FULL CAPACITY
REPLACE
REPLACE
LET THE HEATER COOL DOWN
DISCONNECT THE PLUG AND CHECK CONNECTIONS
REMOVE ANY OBSTRUCTINS FROM THE AIR
PASSAGE
REPLACE
THE HEATER
IS ON BUT
DOES NOT
HEAT
THE HEATER
DOES NOT
STAR
THE HEATER
PRODUCES
VERY LITTLE
AIR
4.
SAFETY AND PROTECTION DEVICES
Limiter thermostat 9 (Fig.1 - 2 - 3). This cuts off the electric power supply in the event of
overheating. If the temperature limiter has tripped, let the heater cool down and attend to the
fault.
5.
MAINTEINANCE
5.1 WARNING AND PERIODICAL CHECKS
Maintenance may only be carried out by suitably skilled personnel. Clean the heater at
regular intervals, since dust and dirt may give rise to overheating and the consequent risk
of fire.