Thermo King T-1000R Series Maintenance Manual page 36

CYCLE-SENTRY/Continuous Key
If the unit is turned on and is in Continuous Mode, pressing the CYCLE-SENTRY/CONTINUOUS
Key will switch operation to CYCLE-SENTRY Mode and the amber LED indictor will glow. If the
unit is running in CYCLE-SENTRY Mode, pressing this key will switch operation to Continuous
Mode and the amber LED will turn off.
HIGH SPEED LOCK-OUT Key
If the unit is turned on, pressing the HIGH SPEED LOCK-OUT Key will activate High Speed
Lock-Out. The unit will switch to low speed operation and the amber LED indictor will glow. No
further high speed operation is allowed until this feature is turned off. Unit may automatically return
to high speed operation after a programmed time limit if timer feature is enabled.This feature is
typically used in noise sensitive areas to reduce unit noise.
NOTE: The HIGH SPEED LOCK-OUT Key is only used when the unit is operating in
Diesel Mode. The HIGH SPEED LOCK-OUT Key does not have any effect in Electric
Mode operation.
DEFROST Key
If the unit is turned on, pressing the DEFROST Key will initiate a manual defrost cycle if conditions
allow. If the evaporator coil temperature less than 45 F (7 C) the unit will enter a defrost cycle. The
amber LED will flash while the defrost cycle is initialized and will glow during the defrost cycle. The
defrost cycle will terminate automatically and the amber LED will turn off when the evaporator coil
temperature is greater than 52 F (11 C). To manually terminate a defrost cycle turn the unit off and
back on.
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).
Operating Instructions for Standard HMI Control Panel
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