B2121, B2122
Read the instructions below then start the fault diagnostic procedure.
Symptom: Memory setting does not work.
| B2121, B2122 |
B2121 Left Horizontal Potentiometer. Short to B+
B2121 Left Horizontal Potentiometer. Open Circuit / Short to Ground
B2122 Left Vertical Potentiometer. Short to B+
B2122 Left Vertical Potentiometer. Open Circuit / Short to Ground
Fault symptoms
Memory setting does not work.Condition
Open circuit/shorting to ground. Short-circuit to B+.Check the wiring
Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short-circuits in the leads. Observe the multimeter, test lamp or diagnostic tool during the test.Diagnostic help
A reading of the voltage across the potentiometers can be obtained with the diagnostic tool.This project is supported by memberships and donations. If you use this site, please consider Joining SCNA and/or making a donation.
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