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Unit Operation

PRETRIP TEST Key

Pressing and holding the PRETRIP TEST Key for 5 seconds will initiate either a Full Pretrip Test or

Engine Running Pretrip Test so long as no alarm conditions exist. If the Alarm Icon is glowing,

record and clear the alarms before starting the Pretrip Test.

Press and hold the PRETRIP TEST Key for 5 seconds. If the unit is not running when the PRETRIP

TEST Key is pressed the unit will perform a Full Pretrip that includes circuit amps and running

system checks. If the unit is running when the PRETRIP TEST Key is pressed the unit will perform

the running system checks only. The amber LED may flash while the Pretrip Test is initialized and

will glow steady while the Pretrip Test is running. When the Pretrip Test is complete the amber LED

will turn off.

• If there are no alarm codes set when the Pretrip Test is complete, the unit passed.

• If there are alarm codes set when the Pretrip Test is complete, the unit failed. Check and correct

the alarm conditions and repeat the test.

• If a shutdown alarm occurred, Alarm Code 28 Pretrip Abort will be set and the unit will be shut

down. Check and correct the alarm conditions and repeat the test.

Secondary Use - When the unit is turned off press and hold this key for 5 seconds to show the HMI

Control Panel Serial Number (in the upper display) and the HMI Control Panel Software Revision

(in the lower display).

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Sharp R-880S Betreibershandbuch Seite 45