Lexmark MX81 series

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Error code Description Action

173.04 LVPS cooling fan under speed or stalled

during speed adjustment state

See “LVPS cooling fan service check” on page 116.

173.05 LVPS cooling fan over speed during speed

adjustment state

See “LVPS cooling fan service check” on page 116.

173.06 LVPS cooling fan capture data is invalid and

speed control is at maximum in fan control

idle state

See “LVPS cooling fan service check” on page 116.

173.07 LVPS cooling fan capture data is invalid and

speed control is at maximum in fan control

adjustment state

See “LVPS cooling fan service check” on page 116.

174.03 HVPS cooling fan took too long to ramp up See “HVPS cooling fan service check” on page 117.

174.04 HVPS cooling fan under speed or stalled

during speed adjustment state

See “HVPS cooling fan service check” on page 117.

174.05 HVPS cooling fan over speed during speed

adjustment state

See “HVPS cooling fan service check” on page 117.

174.06 HVPS cooling fan capture data is invalid

and speed control is at maximum in fan

control idle state

See “HVPS cooling fan service check” on page 117.

174.07 HVPS cooling fan capture data is invalid

and speed control is at maximum in fan

control adjustment state

See “HVPS cooling fan service check” on page 117.

175.03 Miscellaneous cooling fan took too long to

ramp up