Part no. :
Delta model no. : HEC2010FFA
Page 17
Fault Analysis and Processing
Fault State
Analysis of the Reasons
Solutions
Power on, and the
cabinet temperature is
too high but the air
conditioner is not
working
•
Power failure or no power
•
The target temperature is
higher than inside
temperature
•
System failure
•
Check the power supply and
the electric circuit
•
Re-set the target
temperature according to the
system requirement
•
Please contact Delta or
authorized Delta service
agent.
The air conditioner is
running but the
cabinet temperature is
still high, no obvious
cooling effect.
•
The air conditioner
capacity is not match the
load of the system.
•
The ambient temperature
is too high.
•
Low efficiency of the
condenser.
•
Other system failure
•
Check the heating load of the
system.
•
Ensure the air conditioner is
operating in correct
temperature range.
•
Clean the condenser.
•
Please contact Delta or
authorized Delta service
agent.
DC input under voltage alarm
E5.6
System exception
EEPROM abnormal alarm
E 6.1
Compressor failure alarm
E 6.2
Heater failure alarm
E 6.3