Siemens Life 300 Service Manual Page 42

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40 Siemens-Elema AB E382 E380E 061 01 03 01
Description of functions Servo Ventilator 300/300A
2
4.1.8 Technical
PMA 1: Start up test results. Signals generated within the main block 4. MONITORING. The start
uptest is made once each time the Mode selector is turned from the position Off.
The start up test comprises the following parts:
Power Failure Monitor hardware test. Concerns the function of the hardware
which is used as Power Failure Monitor for upper and lower alarm limits for
internal Supply Voltages. The function of this Power Failure Monitor hardware is to
constitute Alarm limit values for the different supply voltages as shown in Supply
voltage, Alarm table in 4.5 BACKUP ALARM SYSTEM. The status of the backup capacitor
for this hardware is also checked (the capacitor is also checked regularly during
operation).
Internal RAM test; concerns the RAM within the block 4.1 MONITOR/ALARM CPU
Internal ROM test; concerns the MON-PROM within the block 4.1 MONITOR/ALARM CPU
Internal CPU test; concerns the CPU within the block 4.1 MONITOR/ALARM CPU
Alarm Table:
txetsegassemdnasmralA noitidnocmralA:1AMP
:morfnoitacidnirorrE
TRATSERTFPedocrorrelacinhceT tseteruliafrewoP
TRATSERMARedocrorrelacinhceT tsetMARlanretnI
TRATSERMORedocrorrelacinhceT tsetMORlanretnI
TRATSERUPCedocrorrelacinhceT tsetUPClanretnI
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