Qnergy PowerGen 5650 Series, Installation & Operation Manual

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F
AULT
M
ESSAGES
, P
OWER
G
EN
127
4018 Cabinet door open Cabinet door is open, sensor
cable is unplugged, magnet
spacing incorrect, sensor
failed.
• Close cabinet door
• Check black wire
connected to FPC board
at P11 (bottom right
corner).
• Adjust location of sensor
located in cabinet by
bending the bracket
slightly outwards towards
the door.
4019 Engine Bay Top/Bottom
temperature difference is too
high
False warning on FW 1.5.1,
NTC’s plugged into wrong
ports, exhaust leak into
engine bay, bad sensor.
4020 Cold Protection Applicable for LTS units only.
Gas valve temperature below
-15°C. see LTS cold start
procedure. Gas valve heater
will turn off at 20°C.
4021 GHT return temp sensor failed Sensor failed, open or short
circuit, bad wiring.
• Inspect the channel NTC7
on the FPC is seated well.
• Inspect connector and
cable for damage.
• Replace sensor.
4022 GHT supply temp sensor failed Sensor failed, open or short
circuit, bad wiring.
• Inspect the channel NTC8
on the FPC is seated well.
• Inspect connector and
cable for damage.
• Replace sensor.
Table 15-5 PowerGen Error Messages, Warning
Fault Code Description Possible Causes