Service Call 620-689
D146/D147/D148/D149/D150 5-102 SM
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC672-99 D
Controller start up error
The operation panel software ended abnormally.
§ Controller stalled
§ Board installed incorrectly
§ Controller board defective
§ Operation panel connector loose, broken, or defective
§ Controller late
§ Turn the main power off/on.
§ Check the connection of the controller board.
§ Replace the controller board.
§ Check the control panel harness.
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