10 Diagnosis
10.1 Warning Code
Panel
display
Function
code
Error information
Reason
Solution
APF1
d0.88
0: No warning
-
-
1: Pressure feed-
back exceed limit
1. Excessive pressure setting
2. Pressure transducer failure
1. Set pressure to a lower value
2. Check if the wiring is proper-
ly connected for pressure feed-
back transmission
2: Pressure com-
mand exceed limit
Pressure command upon us-
er’s input exceeding [F4.22] Set pressure to a lower value
3: Flow command
exceed limit
Flow command upon user’s
input exceeding [F4.24]
Set flow to a lower value
4: Oil filter warn-
ing
Oil filter almost full
Clean or replace filter
5: Oil level warn-
ing
Oil level too low
Refill oil
6: Oil temperature
warning
Oil temperature reached
Reduce hydraulic loses or en-
hance oil cooling
7: Oil change
warning
Operation time exceeds oil
life time
Change oil and reset operation
timer (F4.54)
8: (Reserved)
-
-
9: Pump thermal
protection warn-
ing
Pump speed is lower than re-
quired for pump cooling
(F4.36)
Increase system minimum
speed
10: Pump power
limitation warning
Required pump power ex-
ceeds limitation set in F4.35 Adjust limitation or system load
11: Oxygen too
high
Oxygen feedback is higher
than F4.72
Check the value of oxygen feed-
back via AI or F4.72, F4.73
12: System pres-
sure too low
Pressure feedback is lower
than F4.74
Check the value of pressure
feedback via AI or F4.74,
F4.75
Tab. 10-1: Warning code
FcP 5020
Bosch Rexroth AG
Diagnosis
DOK-RCON03-FCP5020****-QU04-EN-P
79/83