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6.5 Read errors
6.5.1 Error messages
6.5.2 Fault-finding
This menu allows you to read out the contents of the error memory.
Error code Error text
RTM_E_1 Ventilator rotation error
RTM_E_2 Linearity control due
RTM_E_3 Valve error
RTM_E_4 Heater air curtain defective
RTM_E_5 Calibration date not set or expired
RTM_E_6 Temperature sensor, exhaust gas, defective
RTM_E_7 Temperature sensor, measurement chamber, defective
RTM_E_8 Receiver signal failure or too high
RTM_E_9 Receiver signal too low
RTM_E10 Watched supply voltage error
RTM_E11 Calibration
RTM_E12 Checksum error, parameter EEPROM
RTM_E13 Checksum error, program EEPROM
RTM_E14 Pressure sensor for ambient pressure defective
RTM_E15 Analog output for external recorder defective
RTM_E_1 Ventilator rotation error
Check the ventilators as specified in Chapter 6.3.1.
Check the power supply voltage +12 V of the ventilators at X5, pin 3 (+) and
X5, pin 2 (GND).
If OK, exchange ventilator or motherboard/processor board.
RTM_E_2 Linearity control due
Carry out linearity control in accordance with Chapter 4.4 and Operating
Instructions, Program Description UBF 955/2.
RTM_E_3 Valve error
Check valve in accordance with 6.3.2.
Check power supply voltage +12 V at X6, pin 1 (GND) and X6, pin 3 (+)
If OK, exchange valves or motherboard/processor board.
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