Fault Analysis And Processing - Delta HEH080AB Specification And Manual

Part no.:
Delta model no.: HEH080AB

6. Fault analysis and processing

Fault State
Power on, and the
Heater is no heating
Power on, Heater is
always at heating
status.
Power on, the Fan is
stop but the heating
is enable at low temp
condition
Power on, the Fan is
running but the
heating is disenable
at low temp condition
Analysis of the Reasons
• Power failure or no
power.
• The target temperature
is higher than
Thermostat on temp
• Heater failure.
• The target temperature
is lower than
Thermostat off temp
• Heater failure
• Fan lock
• Heater failure
• Over temperature
protect.
• Heater failure
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Solutions
• Check the power supply and
the electric circuit.
• Check the ambient
temperature to define heater
Is failure or not
• Please contact Delta or
authorized Delta service
agent.
• Check the ambient
temperature to define heater
Is failure or not,
• Please contact Delta or
authorized Delta service
agent.
• Power off product than check
the Fan blade is no block by
foreign matter
• Please contact Delta or
authorized Delta service
agent.
• Check the heater air input and
output is no block, If the
heater surface is still hot, wait
for surface cold down and
power on again at low temp
condition for check the over
protect is clear or not.
• Please contact Delta or
authorized Delta service
agent.