Error Code [6601]; Error Code [6602] - Mitsubishi Electric HP120TNU-A Service Handbook

[7-8 Error Code Definitions and Solutions: Codes [6000 - 6999] ]
7-8-4

Error Code [6601]

1. Error code definition
Polarity setting error
2. Error definition and error detection method
The error detected when transmission processor cannot distinguish the polarities of the M-NET transmission line.
3. Cause, check method and remedy
(1) No voltage is applied to the M-NET transmission line
that AG-150A/GB-50ADA/PAC-YG50ECA/BAC-
HD150 are connected to.
(2) M-NET transmission line to which AE-200/AG-150A/
GB-50ADA/PAC-YG50ECA/BAC-HD150 are con-
nected is short-circuited.
(3) When two or more power supplies are connected to
the M-NET
HWE18220_GB
Cause Check method and remedy
Check if power is supplied to the M-NET transmission
line of the AG-150A/GB-50ADA/PAC-YG50ECA/BAC-
HD150, and correct any problem found.
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