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8.7
Messages about opacimeter RTM 430
No.
Message
2000 Dirt on RTM transmitter / receiver
2001 Measured-value range too small
2002 Supply voltage outside tolerance
2003 Error in purge-air curtains
2004 Calibration necessary
2005 EPROM checksum error
2006 EPROM checksum error
2007 Calibration necessary
2008 Linearity check necessary
2009 Too much light on receiver
2010 Faulty switchover valve
2011 Faulty exhaust-gas temperature sensor
2012 Faulty measuring-chamber temperature
sensor
2013 Faulty D/A converter
2014 Negative opacity encountered
2020 Command not allowed at present time
2021 Tester reports error
2022 Unable to open interface
2023 Unable to close interface
2024 Interface write error
2025 Interface read error
2026 RTM reports parameter error
2027 RTM has received unknown command
2028 Invalid function call
2029 Interface is not open
2030 Unexpected / unknown reply
2031 Memory full
2032 Incorrect module identification
2033 Faulty CRC from / to RTM
2034 Missing / incorrect parameters from RTM
2035 Clock error
2090 Unknown error
2099
RTM does not respond
58
Remedy
Clean transmitter / receiver
Replace transmitter / receiver
Trouble-shooting to RTM Repair Instructions
Clean transmitter / receiver
Replace transmitter / receiver
Trouble-shooting to RTM Repair Instructions
Check voltage supply
Check interconnecting cable VSM to RTM
Trouble-shooting to RTM Repair Instructions
Replace control module PCB
Trouble-shooting to RTM Repair Instructions
Initiate RTM calibration
Trouble-shooting to RTM Repair Instructions
Trouble-shooting to RTM Repair Instructions
Perform RTM calibration to RTM Repair
Instructions.
Perform linearity check to RTM Repair
Instructions.
Trouble-shooting to RTM Repair Instructions
Replace switchover valve
Trouble-shooting to RTM Repair Instructions
Replace exhaust-gas temperature sensor
Trouble-shooting to RTM Repair Instructions
Replace measuring-chamber temperature sensor
Trouble-shooting to RTM Repair Instructions
Replace D/A converter
Trouble-shooting to RTM Repair Instructions
Zero calibration was performed with gas or calibration filter:
Perform correct zero calibration, if error still present:
Check solenoid valve and replace if necessary to
RTM Repair Instructions
Software error: Reboot system, if error still present:
Re-copy system software on VSM, replace control
module PCB
Trouble-shooting to RTM Repair Instructions
Software error: Reboot system, if error still present:
Re-copy system software on VSM, replace
control module PCB
Check battery voltage, replace if necessary
Replace RTM computer PCB
Software error: Reboot system, if error still present:
Re-copy system software on VSM, replace control
module PCB
Check voltage supply
Check interconnecting cable VSM to RTM
Trouble-shooting to RTM Repair Instructions
Replace control module PCB
Section
12.1 and 12.4
7.27
5.23
10.27
5.23
10.27
5.23
10.27
12.1 and 12.4
10.27
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