Stephill SSD10000S - Page 21

SSD10000S - SSD10000S/3PH
20
The no-load frequency/rpm should measure approximately 52.5Hz/3150rpm
● Check and test both capacitors - replace if necessary.
● Check wiring - Replace AVR.
The DSE 3110 is displaying the correct no-load frequency (approx. 52.5Hz) but the generator
shuts down with the High AC Voltage shutdown icon is displayed only.
Fuel System
● Using the fuel pump prime button, prime the fuel system
to expel any trapped air within.
Faulty Wiring
● Check wiring from the oil pressure switch to the DSE 3110 -
Ref. wiring diagram.
Shutdown
Capacitor
● Check the correct size capacitor is fitted to the AC
alternator.
Automatic Voltage Regulator
(not a standard option)
Shutdown
Main AC Alternator
Fail To Stop
Capacitor
● Test and/or replace the AC alternator capacitor.
● AC alternator tests would be advisable.
Low AC Voltage and Low Hz/Frequency could indicate the engine is running too fast.
Warning - It is not recommended to adjust the engine speed unless absolutely
necessary.
● If 12V cannot be measured this could indicate the engine
Timer Relay has failed and would need replacing - Ref.
drawing SW16050
Timer Relay
● If 12V cannot be measured this could indicate the Run
Solenoid Relay has failed and would need replacing or
associated wiring is faulty - Ref. drawing SW16050
The DSE 3110 is displaying the correct no-load frequency (approx. 52.5Hz) but the
generator shuts down with the Low AC Voltage shutdown icon is displayed only.
Low AC Voltage
Shutdown
A Fail To Stop fault has been activated once a STOP signal has been issued - manual
stop, remote stop and emergency stop fail. The generator continues to run for a few
minuited before slowing to a stop.
● If 12V is measured this could indicate the engine Stop
Solenoid has failed and would need replacing.
Pre 2022 Models
Start the generator - Remove the No.31 wire from the Stop Solenoid on the engine - using a
digital multi-meter measure the voltage between wire No.31 and battery negative when a stop
signal is issued - This should meassure 12V DC for 10 seconds.
Stop Solenoid
Fault Icon
Possible Cause
Check
High AC Voltage
High Hz/Frequency
Consult an engine specialist if the above fails to rectify the issue.
Run Solenoid Relay
All Models
Post 2022 Models
Start the generator - Remove the No.31 wire from the Stop Solenoid on the engine - using a
digital multi-meter measure the voltage between wire No.31 and battery negative when a stop
signal is issued - This should meassure 12V DC for 10 seconds.
Stop Solenoid
● If 12V is measured this could indicate the engine Stop
Solenoid has failed and would need replacing.
● If 12V cannot be measured this could indicate the Run
Solenoid Relay has failed and would need replacing or
associated wiring is faulty - Ref. drawing SW16062
Run Solenoid Relay
● Check that 12V can be measured from the DSE 3110
output No.6 when a stop signal is issued - Ref. drawing
SW16062
DSE 3110 Output No.6