Vaillant ecoMAX pro 18 E Instructions For Use Installation And Servicing page 30

Wall hung condensing boilers for traditional open vented systems
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17 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
Working phase
20
External sensor setpoint
21
User interface version
22
User interface revision
23
Product code
24
Min. fan speed
25
Max. fan speed
26
Fan speed during ignition
27
Delta
28
'Rechauffe'
29
Running hours
30
Running hours
31
Fault memory*
32
33
34
35
36
Fault memory reset
30
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 mainboard,
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
No function
No function
No function
Code reference for ecoMAX pro
RPM x 100 (800 – 6,000)
RPM x 100 (2,000 – 6,000)
60 – 100%
No function
No function
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
adjustable
adjustable
adjustable
adjustable
adjustable
adjustable
adjustable
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