] indicator and [ 
] indicator light up.When a Service Error Has Occurred
The service error has occurred when the error number appears on the display and [ ] indicator and [ ] indicator light up.
] indicator and [ ] indicator light up.|
NOTE
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Error numbersThe error number appears on the display and switches in order of "E" → "x" → "x" → "x" ("xxx" represents a three-digit number).
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