40
4.
Troubleshooting
4.1
Control device
The A10 control PCB is located in the control device’s housing.
F1 Fusible cutout (8AT)
F2 Fusible cutout (8AT)
F3 Fusible cutout (1AM)
V19 12V power supply on/off for K1 relay
V21 24V power supply on/off for K2 relay
V22 12/24V changeover for K3 relay
PWM channel 2 for PCV, DMV, ZME)
V23 12/24V changeover for K4 relay
(PWM channel 3 for EAV, DMV2)
V24 Microcontroller operation control
V26 Regulated 12V supply
V27 Regulated 5V supply
X3 Serial interface
X4 Connector for power supply (12/24V)
X7 Connector for rail pressure control valves
X9 Connector for pump-specific connecting cable
X10 Connector for B9 pressure sensor
X12 Connector for B10 pressure sensor
X14 Connector for safety monitoring
Light emitting diodes (LEDs) are mounted on the A10 control PCB which display the test system status. To this end the
EPS on the main switch must be switched on.
If there is no malfunction pending on the test system, then the LEDs must light up as follows on the control PCB when
the anti-splash guard is closed:
V19 V21 V24 V26 V27 Cause
No fault present.
All anti-splash guards closed.
In the event of a malfunction the LEDs will light as follows:
i
The areas highlighted in gray indicate the deviations to a fully-functioning test system.
V19
V21
V24 V26 V27 Cause
Remedy
Close spray guards.
Check safety monitoring.
---
See Chapter 4.2
Check power supply.
Check F3 fuse.
See Chapter 4.1.1
Check 12 Volt power supply.
Check F2 fuse.
See Chapter 1/4/01
Check 24 Volt power supply.
Check F1 fuse.
No connection to rail PCVs. Check connection.
---
See Chapter 1/4/01
---
12 Volt and 24 Volt supply polarities reversed.
Check power supply.
See Chapter 1/4/01
Install new firmware.
Replace control PCB.
---
See Chapter 5.1
X14
X9
X7
X10
X12
X3
X4
F1
V21
F2
F3
A10
V19
K1
K2
K4
K3
V26
V27
V24
V23
V22
458797-14
Legend
LED on
LED off
LED flashes
LED dimmly lit
(1 sec.)
LED on for 1 second
Summary of Contents for CRS 845
Page 4: ... 2 Montage Demontage 2 1 Spritzschutzgehäuse 2 1 1 Spritzschutztüren 458797 1 4587979 3 ...
Page 5: ... 2 1 2 Gehäuse 2 2 Sicherheitsüberwachung 458797 2 458797 4 ...
Page 7: ... 2 4 Ansteuergerät 2 5 Überlaufregelventil 458797 8 458797 9 ...
Page 8: ... 2 6 Einstufenfilter für CP 2 Sonderzubehör 25 20 15 10 5 0 458797 29 ...
Page 30: ...30 2 1 2 Housing 2 2 Safety monitoring 458797 2 458797 4 ...
Page 32: ...32 458797 8 2 4 Control device 2 5 Overflow control valve 458797 9 ...
Page 33: ...33 2 6 SIngle stage filter for CP2 Special accessories 25 20 15 10 5 0 458797 29 ...