Recommended action

Turn the product off, and then on.

If the error persists, replace the DC controller PCA.

55.0X.YY DC controller error To continue, turn off then on

Description

DC controller PCA error

55.01.06 (event code)

NVRAM memory data error warning

55.02.06 (event code)

NVRAM memory access error warning

Recommended action

Turn the product off, and then on.

If the error persists, replace the DC controller PCA.

56.00.YY Error To continue, turn off then on

Description

Optional paper trays communication error

Recommended action

Turn the product off, and then on.

If the error persists, reseat the optional paper trays (1 x 500-sheet feeder and/or 3 x 500-sheet feeder).

Check the input connectors for damage. If a connector is damaged, replace the connector.

57.00.0Y Error To continue, turn off then on

Description

Fan error

Recommended action

57.00.01

Power supply fan (FM1) failure

1.Turn the product off, and then on. Listen for fan noise at the front lower-left corner of the product. If no noise is heard, replace the power supply fan (FM1).

2.If this part has been removed or replace, check the connector (J21) on the DC controller PCA and the connector (J106) on the low-voltage power supply assembly.

446 Chapter 3 Solve problems

ENWW

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HP Enterprise CP5525 55.0X.YY DC controller error To continue, turn off then on, YY Error To continue, turn off then on