36
--
Service maintenance display
Press the mode
switch 2 times.
If there is no
operation for 10
seconds, the
display returns
to the setting
temperature/
room temperature
display.
Sub-engine speed display
(2200 min
-1
)
Inspection
(g) Check of sub-engine speed
If the sub-engine speed drops, faults could occur in the centrifugal clutch. Periodically check the
sub-engine speed on the cabin controller.
If the sub-engine speed display's fluctuation is great, contact your dealer.
If the mode switch and set switch are pressed simultaneously for 5 seconds while the
refrigeration unit is running (while the setting temperature and room temperature are displayed
on the cabin controller’s digital display), the cabin controller changes to the service maintenance
mode. When the mode changes, select the
sub-engine speed display using the
following procedure and check the sub-
engine speed.
1When you enter the service maintenance
mode, press the mode switch 2 times.
2The cabin controller’s digital display will
display the sub-engine’s speed. The speed
will be displayed on the bottom row of the
digital display in min
-1
units. If there is no
operation for 10 seconds, the cabin
controller will change back to the setting
temperature/room temperature display.
Checking of sub-engine speed
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