Rational CombiMaster Plus CMP

- 43 - V08 en, SCC
Call Rational Service
Recovery soware for EEPROM is
needed.
Note gas units: Gas type will default back
to G20, check gas type.
Run Self test routine
(set SE20 in Basic Settings
to 1, switch unit o and on
again.)
Gas units: Flue gas analysis
Error „E17“
EEPROM defective
Connect USB stick with new CM_P Soware
Disconnect unit from power supply
Replace PCB at CM_P: Soware version of replacement PCB s un-
known.
All calibration and self test data are only located on the PCB.
For this reason a new self test must be started aer changing the PCB!
Please refer to Basic Settings SE20!
With gas units a ue gas analysis must be done aer self test.
OK
CM_P: Changing PCB
Do not connect original external EEPROM yet
Switch o unit
Reconnect EEPROM and
switch unit on again
Start soware update by pressing blinking „Start“ key.
Wait until both displays show the same soware number or
temperature and time display.
Replace new PCB
Reconnect unit to power and switch ON