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List Of Alarm Codes - Mitsubishi Electric NZ2GF2B-60TCTT4 User Manual

Cc-link ie field network temperature control module
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11.3

List of Alarm Codes

This section lists alarm codes.
Alarm code
Classification
*1
(hexadecimal)
01AH
Minor error
02AH
Minor error
03AH
Minor error
06AH
Minor error
07AH
Minor error
08AH
Minor error
09AH
Minor error
Operation at alarm
Cause
occurrence
The temperature
• The ALM LED flashes.
process value (PV) has
• CH Alert occurrence flag
exceeded the
(RX18 to RX1B) turns on.
temperature
• CH Input range upper
measurement range that
limit (b0 of RWr4 to RWr7)
was set as the input
turns on.
range.
The temperature
• The ALM LED flashes.
process value (PV) is
• CH Alert occurrence flag
below the temperature
(RX18 to RX1B) turns on.
measurement range that
• CH Input range lower
was set as the input
limit (b1 of RWr4 to RWr7)
range.
turns on.
• The ALM LED flashes.
• CH Alert occurrence flag
A loop disconnection has
(RX18 to RX1B) turns on.
been detected.
• CH Loop disconnection
detection (b13 of RWr4 to
RWr7) turns on.
• The ALM LED turns on.
• CH Alert occurrence flag
Alert 1 has occurred.
(RX18 to RX1B) turns on.
• CH Alert 1 (b8 of RWr4
to RWr7) turns on.
• The ALM LED turns on.
• CH Alert occurrence flag
Alert 2 has occurred.
(RX18 to RX1B) turns on.
• CH Alert 2 (b9 of RWr4
to RWr7) turns on.
• The ALM LED turns on.
• CH Alert occurrence flag
Alert 3 has occurred.
(RX18 to RX1B) turns on.
• CH Alert 3 (b10 of RWr4
to RWr7) turns on.
• The ALM LED turns on.
• CH Alert occurrence flag
Alert 4 has occurred.
(RX18 to RX1B) turns on.
• CH Alert 4 (b11 of RWr4
to RWr7) turns on.
CHAPTER 11 TROUBLESHOOTING
*2
Alarm details
When the temperature process
value (PV) has returned within
the setting range, the
corresponding bit of CH Alert
definition (RWr4 to RWr7) and
CH Alert occurrence flag
(RX18 to RX1B) automatically
turns off. Latest warning code
(RWr2) is automatically cleared
when the temperature process
value (PV) has returned within
the setting range.
When the system has been
restored to the state before
disconnection, CH Loop
disconnection detection (b13 of
• The process value of
RWr4 to RWr7) and CH Alert
the error channel is
occurrence flag (RX18 to RX1B)
stored in Process
automatically turn off. Latest
value (PV).
warning code (RWr2) is
• The manipulated value
automatically cleared.
of the error channel is
stored in Manipulated
value (MV).
• The set value of the
error channel is stored
in Set value (SV).
When the temperature process
value (PV) has returned within
the setting range, the
corresponding bit of CH Alert
definition (RWr4 to RWr7) and
CH Alert occurrence flag
(RX18 to RX1B) automatically
turns off. Latest warning code
(RWr2) is automatically cleared
when the temperature process
value (PV) has returned within
the setting range.
Action
11
277

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