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Error code Description Action

171.04 Main cooling fan error; error under speed

or stalled during speed adjustment state

Go to “Main cooling fan service check” on page 247.

171.05 Main cooling fan error; error over speed

during speed adjustment state

Go to “Main cooling fan service check” on page 247.

171.06 Main cooling fan error; error capture data

is invalid and speed control is at maximum

in fan control idle state

Go to “Main cooling fan service check” on page 247.

171.07 Main cooling fan error; error capture data

is invalid and speed control is at maximum

in fan control adjustment state

Go to “Main cooling fan service check” on page 247.

172.03 Cartridge cooling fan took too long to ramp

Go to “Cartridge cooling fan service check” on page 248.

172.04 Cartridge cooling fan under speed or

stalled during speed adjustment state

Go to “Cartridge cooling fan service check” on page 248.

172.05 Cartridge cooling fan over speed during

speed adjustment state

Go to “Cartridge cooling fan service check” on page 248.

172.06 Cartridge cooling fan capture data is invalid

and speed control is at maximum in fan

control idle state

Go to “Cartridge cooling fan service check” on page 248.

172.07 Cartridge cooling fan capture data is invalid

and speed control is at maximum in fan

control adjustment state

Go to “Cartridge cooling fan service check” on page 248.

175.03 Miscellaneous cooling fan took too long to

ramp up