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Repair and Service Manual
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Read all of SAFETY and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
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Example: Battery Undervoltage (code 23).
The controller’s two LEDs will display this repeating pattern:
RED
(first digit)
(2)
(second digit)
(3)
RED
YELLOW
YELLOW
In the Fault menu of the 1311 programmer, the words
Undervoltage Cutback will be displayed; the real-time battery voltage
is displayed in the Monitor menu (”Keyswitch Voltage”).
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