Instructions / Assembly

21
Troubleshooting
CAUTION: TURN OFF THE POWER SUPPLY BEFORE TROUBLESHOOTING
If the system fails to heat, check that the GFCI (Ground Fault Circuit Interrupter) has not been
tripped. If the GFCI has tripped on the thermostat, this will be indicated with red “test” light on
the thermostat. If the thermostat does not have a GFCI, check that the GFI on the breaker panel
has not tripped. Check for continuity and resistance level with an ohmmeter and compare
the reading with the resistance recorded on the UL label. Make sure the breaker or fuse is
delivering power to the system. If the system fails to heat after these checks, call your installer
or Warmup®. You will need to locate the model information for the heater, either on the
product labels you kept, or based on an invoice. While incorrect grounding is the main cause
for breaker tripping, please contact your installer to review your installation more in detail.
CHECKING FOR BREAKS
Checking for resistance between the two conductor wires ensures there is no break in the cold
lead conductor and the heat resistance wire.
CHECKING FOR ELECTRICAL SHORT
In some rare instances, a sharp object can puncture the insulation around the heating wire,
thereby allowing the electricity to flow to the ground. If this situation occurred it would
immediately trip the GFCI (Ground Fault Circuit Interrupter).
Follow the steps on page 13 if the readings are not satisfactory, contact Warmup® for
further advice.