Siemens MOBILETT Plus HP Service Manual

MOBILETT Plus HP SPR8-220.061.03 Page 14 of 22 Siemens AG
Rev. 03 09.03 CS PS 24 Medical Solutions
2 - 14 Display messages
CAL 26 Generator ON The CMOS memory
cannot be read or
programmed.
• Check all supply voltages on D1
(see page 110**).
• Check the voltage in the backup
battery (> 2.8 V) and the battery
jumper (see page 110**).
• If all power supply voltages are
present, the error is probably on
D1.
If the message "CAL 26" occurs
repeatedly or if the message can
not be acknowledged by pressing
kV+ or by switching the unit OFF
and ON, replace D1.
CAL 27 Generator ON
during startup
Error in ROM mem-
ory. Check sum is
incorrect.
• Check that all supply voltages on
D1 are present (see page 110**).
• The ROM containing the program
is defective. Replace the software
(IC’s I72, I66 and I74) on D1 (see
page 110**).
• If the error reoccurs after replacing
I72, I66 and I74, replace D1.
Dis-
played
messages
Mode of
operation
Cause Possible reasons and advice
* See section "Monitoring the kV and mA values"
** Wiring diagram X037E
Tab. 1

Siemens MOBILETT Plus HP Specifications

General

Brand	Siemens
Model	MOBILETT Plus HP
Category	Medical Equipment
Language	English