GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
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Self-diagnosis for approx. 1 sec. after switching on or after a Restart
Normal processing of the user program after Start. Where a
programming unit is connected via a PCD8.K11x in PGU mode
(e.g. PG5 in PGU mode), the CPU automatically goes into the Stop
state and not the Run state; this is for safety reasons
Conditional Run state. A condition has been set in the debugger
(Run until…), which has not yet been met
Same as Run, but with an error message
Same as conditional Run, but with an error message
The Stop state occurs in the following cases:
Programming unit in PGU mode connected when the CPU was
switched on
PGU stopped by programming unit
Condition for a COND.RUN has been met
Same as Stop, but with an error message
The Halt state occurs in the following cases:
Halt instruction processed
Serious error in user program
Hardware fault
No program loaded
no communication module on an S-Bus PGU or Gateway Master
port
If the PLC doesn‗t go to RUN after 2 minutes, you have to send it for
repair
The RESET state has the following causes:
Supply voltage too low
Firmware not starting up
4.3.3 PCD3.R600 Indicating LED