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3. OPERATING INSTRUCTIONS
3-1. SELF-DIAGNOSTIC FUNCTION
Self-diagnostic function starts when the breaker inside the control panel of the
Chiller is turned on.
After self-diagnosis is completed, the data display on the operation board shows the
following indication.
3-1-1. Action after power supply throwing in and an indication
Throw a power supply into and (turn on a breaker in a control panel and)
when it dose, a self-diagnostic function acts as follows.
(1) Data display (the 7 segment LED) and all LEDs light up.
(2) The data display shows a version number when there is no abnormality.
When there is a power failure, H-10 is displayed after power return.
NOTE : The version number differs according to
an each Chiiler type.
(3) The data display shows the generator temperature.
If self-diagnosis function detects any failure, it will be shown on the
data display. As for the alarm indication, please refer to Section 3-8.
(120.4)
15
Fig. 3-1 Typical
control panel
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