Siemens MOBILETT XP Troubleshooting Manual page 41

Error messages
ERR 24
System
mode:
Preparation
ERR 25
System
mode:
Preparation
ERR 28
System
mode:
Preparation
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Medical Solutions
Anode does not rotate
Explanation: D916 (CPU) detects no or insufficient anode rotation in the
start phase.
Action:
•
Check fuse F5 on board D927.
•
Check fuse F6 on board D927.
•
Check the cable connection between the single tank and D927.
•
Check the cable connections to phase shift capacitor C2.
•
Check the cable connection between boards D927 X11 and D916 X11.
•
Measure stator winding TP - I1 and I2 on D916. (Also see ERR 28)
Timeout in preparation
Explanation: D916 (CPU) detects a timeout during preparation when the
preparation button is pressed for longer than 20 seconds without exposure
release.
Action:
•
If this error occurs without the hand switch having been pressed longer
than 20 seconds, test the connection between the CPU and hand
switch. The hand switch or D916 may be defective.
Short-circuit at the starter
Explanation: D916 (CPU) detects a short-circuit of the starter.
Action:
•
Check phase shift capacitor (C2).
•
Check the resistance at the stator winding (between X6-3 and X6-1 ap-
prox. 5 Ohms; between X6-3 and X6-5 approx. 9 Ohms) in the
switched-off state.
Possible defects: D927, C2, cable connection to the single tank, single
tank.
SPR8-230.840.01.05.02
11.05
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MOBILETT XP