LNS Alpha 552 - Page 108

9-8 CHAPTER 9: MALFUNCTIONS
ALPHA 552
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AL25:
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AL26:
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AL27:
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AL28:
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AL29:
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AL30: Default clutch booster during coupling
Description
Default during coupling. SQ15 signal is missing.
Solutions
Check that there’s no mechanical problem and check the
SQ15 probe.
AL31: Default clutch booster during decoupling
Description
Default during decoupling. SQ14 signal is missing.
Solutions
Check that there’s no mechanical problem and check the
SQ14 probe.