Qnergy PowerGen 5650 Series, Installation & Operation Manual

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F
AULT
M
ESSAGES
, P
OWER
G
EN
132
11505 Too many hall direction
changes detected
Noise
11506 Bump initiated when engine
was already bumping
Firmware issue
11507 System cannot run if the stall
is engaged
QEC haw failure
11508 Engine failed to start in given
time
Burner issue, QEC hardware
failure, engine pressure too
low
11509 Engine overstroke was
detected
Firmware issue, noise, QEC
hardware failure
11510 Piston position measurement
is bad
Hall calibration is wrong,
Firmware issue
12001 Positive or negative DC buses
fail to reach setpoint during
BBI operation
Battery is bad, QEC hardware
failure
12002 Positive bus voltage too low Battery is bad, ADC calibration
not done, QEC hardware
failure
12003 Positive bus voltage ripple too
high
ADC calibration not done, QEC
hardware failure
12004 Negative bus voltage too low Battery is bad, ADC calibration
not done, QEC hardware
failure
12005 Negative bus voltage ripple
too high
ADC calibration not done, QEC
hardware failure
12006 Engine running detected while
QEC is disabled
ADC calibration not done,
engine already running, QEC
hardware issue, burner issue,
firmware issue
Table 15-7 QEC Error Messages, QEC 3 (Firmware 2.X.X)
Fault Code Description Possible Causes