Program features 141
Diagnostics
Group 81: PFA control; 8123 PFA
ENABLE
PFA control settings; Enables PFA/SPFC function.
Actual signal Additional information
0116 Application block output signal
0162 RO 1 status
0163 TO status
0173 RO 2…4 status. With option MREL-01 only.
Alarm
AUTOCHANGE PFA autochange function active
PFC I LOCK PFA interlocks active
INLET LOW, INLET VERY LOW Pressure at pump/fan inlet too low
OUTLET HIGH, OUTLET VERY
HIGH
Pressure at pump/fan outlet too high
Fault Additional information
PAR PFC REF NEG 2007 < 0
PAR PFA IO 1 Not enough relays parameterized for the PFA control.
Conflict between Group 14: Relay outputs, parameter
8117 and parameter 8118.
PAR PFC IO 2 Parameter 8127 does not match the PFA motors in
Group 14: Relay outputs and parameter 8118.
PAR PFC IO 3 Allocation of a digital input (interlock) for each PFA
motor not possible
INLET LOW, INLET VERY LOW Pressure at pump/fan inlet too low
OUTLET HIGH, OUTLET VERY
HIGH
Pressure at pump/fan outlet too high
Parameter Additional information