To avoid any injury or damage the strip heater
must only be serviced by qualified personnel.
Unit is turned "ON" but there
is no heat.
Heat is inadequate.
Form No. GRM-0707
No power to unit.
Switch is defective.
Wiring is open.
Heating element defective.
Unit mounted too high above
Excessive air movement
around strip heater target
Incorrect power supply (low).
To avoid any injury or damage to the strip heater
switch/circuit breaker and allow to cool before
performing any maintenance.
Check circuit breaker and reset as
necessary. If power cord connected
check for damage to cord. If power cord
connected check power outlet.
Check input and output sides of the
switch for power. If proper power on
supply side but nothing on output side
Check for power at the heating element.
If no power at element check wiring for
break or bad connection. Repair or
replace as necessary.
Check heating element for continuity.
Using an ohm meter check the resistance
Resistance in ohms = voltage
Example: GRAH-48, 120 Volt is rated for
Replace heating element if defective.
Lower unit, putting effective heat closer
Restrict or redirect air movement (ie. - air
conditioning duct or exhaust fan) away
Check power supply to unit, making sure
it matches rating on the unit. If power
supply is incorrect, change to match
rating on unit.
14,400 = 13.09 ohms