DSE Model 5320 Automatic Mains Failure & Instrumentation System Operators Manual
Part No. 057-014 5320 OPERATING MANUAL ISSUE 5.1 18/06/2007 ADM
49
11 FAULT FINDING
SYMPTOM
POSSIBLE REMEDY
Unit is inoperative
Check the battery and wiring to the unit. Check the DC supply. Check the DC
fuse.
Unit shuts down
Check DC supply voltage is not above 35 Volts or below 9 Volts
Check the operating temperature is not above 70 °C. Check the DC fuse.
Unit locks out on Emergency Stop If an Emergency Stop Switch is not fitted, ensure that a positive is connected
to the Emergency Stop input. Check emergency stop switch is functioning
correctly. Check Wiring is not open circuit.
Intermittent Magnetic Pick-up
sensor fault
Ensure that Magnetic pick-up screen is only connected at one end, if
connected at both ends, this enables the screen to act as an aerial and will
pick up random voltages.
Low oil Pressure fault operates
after engine has fired
Check engine oil pressure. Check oil pressure switch/sender and wiring.
Check configured polarity (if applicable) is correct (i.e. Normally Open or
Normally Closed) or that sender is compatible with the 5320 Module and is
correctly configured.
High engine temperature fault
operates after engine has fired.
Check engine temperature. Check switch/sender and wiring. Check
configured polarity (if applicable) is correct (i.e. Normally Open or Normally
Closed) or that sender is compatible with the 5320 Module.
Shutdown fault operates
Check relevant switch and wiring of fault indicated on LCD display. Check
configuration of input.
Warning fault operates
Check relevant switch and wiring of fault indicated on LCD display. Check
configuration of input.
Fail to Start is activated after pre-
set number of attempts to start
Check wiring of fuel solenoid. Check fuel. Check battery supply. Check battery
supply is present on the Fuel output of the module. Check the speed sensing
signal is present on the 5320 inputs. Refer to engine manual.
Continuous starting of generator
when in
AUTO
Check that mains (utility) supply is healthy and check that it’s protection fuses
are in place and are not blown
Check that there is no signal present on the “Remote Start” input. Check
configured polarity is correct.
Generator fails to start on receipt
of Remote Start signal or mains
(utility) supply failure.
Check Start Delay timer has timed out.
If remote start fault, check signal is on “Remote Start” input. Confirm input is
configured to be used as “Remote Start”.
Pre-heat inoperative
Check wiring to engine heater plugs. Check battery supply. Check battery
supply is present on the Pre-heat output of module. Check pre-heat has been
selected in your configuration.
Starter motor inoperative
Check wiring to starter solenoid. Check battery supply. Check battery supply
is present on the Starter output of module. Ensure that the Emergency Stop
input is at Positive.
Engine runs but generator will not
take load
Check Warm up timer has timed out. Ensure generator load inhibit signal is
not present on the module inputs. Check connections to the switching device.
Incorrect reading on Engine
gauges
Check engine is operating correctly. Check sender and wiring paying
particular attention to the wiring to terminal 47 (refer to appendix). Check that
sender is compatible with the 5320 Module and is correctly configured.
NOTE:- The above fault finding is provided as a guide check-list only. As it is possible for the
module to be configured to provide a wide range of different features always refer to the source of your
module configuration if in doubt.
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