Mitsubishi Electric 800 Series Instruction Manual page 482

• The following charts show operations when a communication option fault occurs.
Pr. 502 = "0 (initial value) or 3"
Fault detected
OFF
Fault
Fault indication
(E.1)
Fault signal
OFF
(ALM)
Alarm signal
OFF
(LF)
Pr. 502 = "4"
Fault detected
OFF
Fault
Warning indication
(CF)
Fault signal
OFF
(ALM)
Alarm signal
OFF
(LF)
Fault cleared
ON OFF
Motor coasting
Time
Display
ON
Fault cleared
ON OFF
Pr.779 = "9999" Pr.779 = "9999" Pr.779 = "9999"
Pr.779
Pr.779 ≠"9999"
(Operation continues at the frequency set in Pr.779)
Time
Display
ON
Pr. 502 = "1 or 2"
Fault detected
OFF
Fault
Fault indication
(E.1)
Fault signal
OFF
(ALM)
Alarm signal
OFF
(LF)
5.12 (N) Operation via communication and its settings
Fault cleared
ON OFF
Decelerates to stop
Time
Display
ON
5. PARAMETERS
3
4
5
5
5
6
7
8
9
10
481