Vaillant ecoMAX pro Instructions For Use Installation And Servicing page 34

16 Fault finding
No. Description
1 Central heating maximum output
2 Flue system pressure loss
3 Minimum temperature for
Central Heating
4 Maximum temperature for
Central Heating
5 Pump mode selection
6 External sensor 'slope'
7 External sensor 'offset'
8 Burner override Gas rate/CO
combustion check
9 Cylinder with NTC
10 Adaptive heating or night-day switch
11 Night-day setpoint (Delta value)
12 Central heating flow temperature
13 Central heating return temperature
14 Domestic hot water temp.
15 Tank temp.
16 DHW flow
17 Extractor speed
18 Burner demand power
19 User interface revision
20 Product code
21 Min. fan speed
22 Max. fan speed
23 Fan speed during ignition
24 Running hours
25 Running hours
26 Fault memory*
27
28
29
30
31 Fault memory reset
34
Comments
Set minimum to maximum product output (kW)
No function
Set minimum temperature
(22°, 28°, 38° or 50°C)
Set maximum temperature
(50°, 73° or 80° C)
1 – When room stat on (continuous)
2 – When burner on (not continuous)
3 – Winter position/under floor heating (continuous)
No function
No function
0 – normal
2
1 – burner to Pmin
2 – burner to Pmax
Immediately communicated to the main board,
and reset to 0 after 15 minutes
No function – however if altered to '1' = ON fault
code 8 will be displayed 'tank NTC fault'
No function
No function
°C
°C
No function
No function
No function
Extractor speed, RPM x 100
kW
No function
Code reference for ecoMAX pro
RPM x 100 (800 – 6,000)
RPM x 100 (2,000 – 6,000)
60 – 100%
Flame presence hours stored in E2prom every 2hrs
Memory 1
Memory 2
Memory 3
Memory 4
Memory 5
Memory can be reset by pressing '+' and
'-' together
18E 28E
18 28
38 38
80 80
1 1
0 0
149 141
12 12
41 57
80 60
Instructions for Use, Installation and Servicing ecoMAX pro
Action
adjustable
adjustable
adjustable
adjustable
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adjustable
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