Qnergy PowerGen 5650 Series, Installation & Operation Manual

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F
AULT
M
ESSAGES
, P
OWER
G
EN
138
13003 Coolant flow rate too low
(below 5 lpm)
• Check for air in the
system, look for coolant
leaks. Run the fill
sequence and top up if
needed.
• Auxiliary power issue.
check if pump feedback is
correct.
• Press start/stop button to
remove from standby
mode, and press button
again to enable. Coolant
may be cold and needs
several attempts to start
up.
• If ambient temperature is
cold (below 2°C), Pump
feedback is above 35 and
fault occurs during
operation, test glycol
concentration in coolant
at the radiator and not
overflow tank.
• If ambient temperature is
cold (below 2°C) and
power is low (below
2500W), increase
minimum engine power
to 2500W or more.
14001 Coolant temperature is
approaching limit
• Auxiliary output off
• Temperature sensor bad
• Coolant leak
• Pump failure
14002 Coolant flow is approaching
limit (above 20 lpm)
• Check for air in the
system, look for coolant
leaks. Run the fill
sequence and top up if
needed.
• Review actions for Fault
13003
Table 15-8 QEC Error Messages, QEC 3.5 (Firmware 3.X.X)
Fault Code Description Possible Causes