DELPHI DIESEL AFTERMARKET YDT262 Operating and Servicing Manual
HL018, Issue 2 11
5. Spares and Service
5.1 YDT262 Spares
The only serviceable parts in the YDT262 are the fuses.
There are two 1A fuses on the PCB itself (marked F1, F2), plus one 2A anti-surge fuse in the single-
phase socket. These are standard 5*20mm fuses that can be purchased locally.
WARNING! DISCONNECT THE ELECTRICAL SUPPLY BEFORE REMOVING THE COVER.
5.2 Related Parts/Tools
AE23 Aux Piezo Cable
26605 Piezo Sensor
AE24 2048ppr Auxiliary Encoder
7044-8 Coupling Extractor
7244-231 Drive Hub Extractor
AA1473 Coupling Spanner
5.3 Troubleshooting
The following table outlines procedures for dealing with simple problems. For anything not covered
here, or if the checks listed do not solve the problem, refer your national Delphi Distributor.
A. YDT262 does not power up
1. Check the electrical supply.
2. Check the 120/240V selector switch is correctly set for the local supply.
3. Check the 3 fuses.
B. YDT262 powers up, but unexpected
messages/characters appear.
1. Switch off, wait a few seconds, then switch back on.
C. Variation screen shows 0 degrees, or is
not stable at 360 degrees.
1. Check the encoder is connected securely.
2. Check the piezo sensor and cable are connected securely.
3. Switch off, wait a few seconds, then switch back on.
D. “ZERO ANGLE ERROR” message
appears.
1. The pump drive shaft must be stationary to record the zero angle. Ensure
the pump is stationary when powering on the unit.
2. Switch off, wait a few seconds, then switch back on.
THIS IS AN UNCONTROLLED DOCUMENT downloaded by Lukas Matuska on 16 Feb 2016
Any technical intervention requires certified Hartridge training. Contact Hartridge Ltd for details.
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