14
Troubleshooting
14.1
Display of LED Characters
Character
A
b
C
d
E
F
H
I
L
Display
Character
n
O
o
P
r
S
t
U
–
Display
–
Tab. 14-1:
Display of LED characters
14.2
Status Code
Code
Description
8.8.8.8.8.
Displayed at power on, detecting the operating panel
'-' '--' '---' '----' '-----'
During parameter backup…
tUnE
Motor parameter tunning
PSLP
PID sleeping
-PF-
Modified parameters which are different from default value
-EP-
Parameters with invalid settings
PAr1
Parameter set switching from set 2 to set 1
PAr2
Parameter set switching from set 1 to set 2
14.3
Warning Code
Code
Description
P.oFF
Displayed only at power down / drop in stop state
S.Err
Parameter change blocked
C-dr
Communication disconnection
PrSE
Parameter setting contradiction
FLE
Fan maintenance period expired
noCP
No modified parameter
PLE
Pump leakage
Aib-
Analog input broken wire detection
OCi
Communication data exceeds value range
Fdi
Fieldbus process data invalid
APF1
For detailed information about the warning, please see
chapter 14.5.1 "Warnings" on page 133
APF2
APF3
APF4
APF5
Bosch Rexroth AG
DOK-SYTROX-DRN5020****-IT05-EN-P
124/143
Frequency-Controlled Pump Drive System Sytronix DRn 5020
Troubleshooting