Qnergy PowerGen 5650 Series, Installation & Operation Manual

Page: 137 / 194

F
AULT
M
ESSAGES
, P
OWER
G
EN
125
4011 ‘Exhaust Duct Jacket’ temp
sensor failed
Sensor failed open or short
circuit, bad wiring.
• Inspect the channel NTC5
on the FPC is seated well.
• Inspect connector and
cable for damage.
• Replace sensor.
4012 ‘Engine Bay 1-2’ temp
difference too high
Bad sensor, bad wiring
4013 ‘HRU Top’ temperature too
high
Temperature of HRU intake air
exceeded 131°F/55°C.
Ambient temperature is above
maximum rated operating
range, Bad sensor
4014 ‘HRU Top’ temperature too low Temperature of HRU intake air
is below -13°F/-25°C or
-40°F/-40°C for LTS units.
Ambient temperature is below
rating, bad NTC sensor.
4015 ‘Duct Jacket’ temperature too
high
Temperature on the cooled
exhaust duct is above
200°F/93°C
• If sensor readings are
unstable, verify sensor
seated well.
• Replace sensor.
• check for flow reading
and pump feedback.
Table 15-5 PowerGen Error Messages, Warning
Fault Code Description Possible Causes