Generator Troubleshooting - Westerbeke BTDA 15.0 Operator's Manual & Installation Manual

Generator Troubleshooting
A complete and illustrated text on troubleshooting the BT series of generators is furnished in
the Technical Manual which is available through your local dealer.
Troubleshooting Water Temperature and 011 Pressure Gauges
If the gauge reading is other than what is normally indicated by the gauge when the instrument
panel is energized, the first step is to check for 12 votts DC between the ignition (B+) and
the Negative (B-) terminals of the gauge.
Assuming there are 12 votts as required, leave the instrument panel energized and perform
the following steps.
1. Disconnect the sender wire at the gauge and see ff the gauge reads zero, which is the
normal reading for this situation.
2. Disconnect the ground connection at the gauge and see ff the gauge reads full scale,
which is the normal reading for this situation.
If both of the above gauge tests are positive, the gauge is undoubtedly OK and the problem
lies either with the conductor from the sender to the gauge or with the sender.
If either of the above gauge tests are negative, the gauge is probably defective and should
be replaced.
Assuming the gauge is OK, check the conductor from the sender to the sender terminal at
the gauge for continuity.
Check that the engine block is connected to the ground. Some starters have isolated ground
terminals and ff the battery is connected to the starter (both plus and minus terminals), the
ground side will not necessarily be connected to the block.
15.0KW BTDA 77
Westerbeke Generators