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