Vaillant ECOTEC PLUS VU 80 Installation And Maintenance Instructions Manual page 58

14 Troubleshooting
Display Meaning
D.033 Fan speed target value
D.034 Fan speed actual value
D.039 Solar feed temperature
D.040 Flow temperature
D.041 Return temperature
D.044 digitalised ionisation voltage
D.046 Pump type
D.047 Outside temperature
(with weather-controlled Vaillant controller)
D.050 Offset for minimum speed
D.051 Offset for maximum speed
D.060 Number of temperature limiter shutdowns
D.061 Number of ignition device cutoffs
D.064 Average ignition time
D.065 Maximum ignition time
D.067 Remaining burner anti-cycling time
D.068 Unsuccessful ignitions at 1st attempt
D.069 Unsuccessful ignitions at 2nd attempt
D.071 Target value maximum heating flow temperature
D.072 Internal pump overrun after
D.076 UNit variant (display)(device specific number)
D.077 Partial load for cylinder charging
D.080 Operating hours, heating
D.081 Operating hours, hot water generation
D.082 Number of burner start-ups in heating mode
D.083 Number of burner start-ups in hot water mode
D.084 Maintenance indicator: Number of hours until the next
maintenance
D.090 Status of digital controller
D.091 Status DCF with external sensor connected
D.093 DSN unit variant setting
D.094 Delete fault history
D.095 Software version eBUS components
D.096 Factory setting
13.2 Diagnostics codes at Installer level
(continued)
58
Display value/adjustable value
In rpm
In rpm
Actual value in °C
Actual value in °C
Actual value in °C
Display field 0 to 102,
> 80 no flame
< 40 good flame
0 = Relay with disable facility (default setting)
1 = PWM with disable facility
Actual value in °C
Adjustment range in rpm: 0 to 3000 (factory set nominal value)
Adjustment range in rpm: - 990 to 0 (factory set nominal value)
Number
Number of unsuccessful ignitions in the last attempt
In seconds
In seconds
In minutes
Number
Number
Adjustment range in °C: 40 to 85 (factory setting: 75)
Adjustment range in min: 0 to 10 (default setting: 2)
82 = VU GB 806/5-5
81 = VU GB 1006/5-5
80 = VU GB 1206/5-5
in kW
In hours (h)
In hours (h)
Number
Number
Adjustment range: 0 to 3010 h and "-" for deactivated
(Factory setting: "-")
1 = Recognised, 0 = Not recognised
0 = No reception, 1 = Reception, 2 = Synchronised, 3 = Valid
Adjustment range: 0 to 99
1 = Delete fault list
1. PCB
2. Display
4. VR34
1 = Reset all adjustable parameters to factory setting
ecoTEC plus installation and maintenance instructions 0020134823_01