28
11. TROUBLESHOOTING
Symptom
Potential Fix
• Fault light flashes on DynaDrive display;
• “A1 DRY RUN” shows on DynaDrive display;
• DynaDrive attempts restart after 5 minutes;
• DynaDrive attempts restart in 30 minutes
intervals, for 25 hours;
• DynaDrive then reverts to solid alert with no
further retry.
DynaDrive has run dry or lost prime. To protect
itself, DynaDrive has switched off. Before trying
to restart: turn off the DynaDrive for 30 seconds;
ensure the pump has cooled down (if hot); then
restart as per section 6 of this manual. If problem
persists, contact your Davey representative via
the details at the end of this manual.
• Fault light flashes on DynaDrive display;
• “A9 UNDER VOL” shows on DynaDrive display;
• DynaDrive attempts restart 4 times; then
• DynaDrive reverts to solid alert with no
further retry.
DynaDrive has detected low voltage, or high
current draw. To protect itself, DynaDrive has
switched off. Before trying to restart: turn off the
DynaDrive for 30 seconds; ensure the pump has
cooled down (if hot); then restart as per section 6
of this manual. If problem persists, contact your
Davey representative via the details at the end of
this manual.
• Fault light flashes on DynaDrive display;
• “A8 OVER VOL” shows on DynaDrive display;
and
• DynaDrive attempts random restarts.
DynaDrive has detected high voltage. To protect
itself, DynaDrive has switched off. Before trying
to restart: turn off the DynaDrive for 30 seconds;
ensure the pump has cooled down (if hot); then
restart as per section 6 of this manual. If problem
persists, contact your Davey representative via
the details at the end of this manual.
• Fault light flashes on DynaDrive display;
• “A6 OVER TEMP” shows on DynaDrive display;
and
• DynaDrive attempts random restarts.
DynaDrive has detected high temperature
inside controller. To protect itself, DynaDrive has
switched off. Before trying to restart: turn off the
DynaDrive for 30 seconds; ensure the pump has
cooled down (if hot); then restart as per section 6
of this manual. If problem persists, contact your
Davey representative via the details at the end of
this manual.
• DynaDrive display screen blank.
DynaDrive communication failure. Refer to
section 7.4 of this manual to check connections
and settings. If problem persists, contact your
Davey representative via the details at the end of
this manual.
• Daisy chained pumps operating
as individual pumps.
DynaDrive communication failure. Refer to
section 7.4 of this manual to check connections
and settings. If problem persists, contact your
Davey representative via the details at the end
of this manual.
• “A5 TRANSDU”
Transducer is disconnected from the Drive.
Reconnect the pressure transducer to the quick
connect cable attached to the pump.
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