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Manuals and User Guides for Buderus 11S. We have
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Buderus 11S manual available for free PDF download: Servicing Manual
Buderus 11S Servicing Manual (68 pages)
Gas wall hung boiler condensing
Brand:
Buderus
| Category:
Boiler
| Size: 1.46 MB
Table of Contents
Messages - Universal Automatic Burner (UBA)
1
Table of Contents
2
1 Messages - Universal Automatic Burner
3
(Uba)
3
UBA Status Display
3
UBA Operating Level 1.5
4
Service Tool
4
Operating Messages
5
Fault Messages
6
2 Faults that the UBA Does Not Display
8
C Safety Sensor Exceeds 100 °C
10
Excessive Temperature Increase at Safety Sensor
11
Bad Plug-In Connection at Cable Loom, or Damaged Wiring
12
Feed Sensor above 100 °C
13
F2 Fuse Malfunction, or Exhaust-Gas Sensor Tripped
15
F Safety Sensor Exceeds 100 °C
17
Dripping Tap
18
L Short Circuit in Safety Sensor
19
P Safety Sensor, Loose Contact or Defective
20
Short Circuit in Feed Sensor
21
Feed Sensor, Loose Contact or Defective
22
C 600 Series Has Switched off after Disconnection of Diagnosis Plug
23
F1 Fuse Defective, or no Ionisation Message after Ignition
24
Ionisation Message, but no Flame
28
H Flame dies out after Gas Valve Is Opened
29
Flame Goes out During Warm-Up Phase
30
Mains Voltage
31
A Voltage in UBA too Low or too High
31
Mains Voltage Interrupted Following a Fault Warning Message
32
F3 Fuse Defect, or UBA System Error
33
Voltage Peaks in UBA
34
UBA Timer Error
35
External Switching Contact, E.g. Temperature Monitor for Floor Heating, Has Been Tripped
36
System Error
37
C Incorrect Cable Connection at KIM, or KIM Defective
38
System Error (UBA Defective)
39
Wiring to Gas-Burner Assembly Incorrect, or Loose Wiring Connections in UBA
40
UKIM Defective
41
P Non-Compatible UBA Fitted
42
Troubleshooting Tasks
47
Unblocking the 600 Series 11S / 19S / 24S / 24C
47
Chimney-Sweep Mode
47
Removing and Refitting the Outer Casing
48
Removing and Refitting the Combustion-Chamber Cover
48
Checking the Exhaust-Gas Sensor
49
Replacing the Exhaust-Gas Sensor
49
Checking the Air Intake and Outlet Openings
50
Replacing the UBA
50
Checking the Fan
51
Replacing the Fan
51
Checking the Wiring Connections of the UBA
53
Checking the Miniature Fuses
53
Checking the Connections for the Second Solenoid Valve, Modulating Pump and Floor Thermostat Switching Contact
53
Checking the Circulation Pump
54
Replacing the Circulation Pump
54
Checking the Safety Sensor
55
Replacing the Safety Sensor
55
Checking the Safety Sensor Connection Lead
55
Checking the Feed Sensor
56
Replacing the Feed Sensor
56
Checking the Feed Sensor Connection Lead
56
Checking the Domestic Hot Water
57
Mains Water Supply
57
Changing the Domestic Hot Water
58
Mains Water Supply
58
Checking the Hot Surface Ingitor
59
Replacing the Hot Surface Ingitor
59
Checking the Gas-Burner Control System for Correct Activation
60
Replacing the Gas Burner Fitting
60
Checking and Adjusting the Gas-To-Air Ratio
62
Measuring the Ionisation Current
63
Replacing the Ionisation Electrode
63
Checking the Three-Way Motorised Valve for Correct Operation
64
Replacing the Motorised Valve Body Control Valve
64
Replacing the Three-Way Valve
65
Checking the ERC/RC Connections to the UBA
66
Replacing the Terminal Strip
66
Checking Connections at the ERC or RC
67
Replacing the Room-Temperature Control Device
67
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