BoilerFaultCodes 00
False flame
Vokera Eclipse ESC Fault codes & diagnostics
52 fault codes with plain-English explanations, severity ratings, DIY guidance, and repair cost estimates.
Gas Discontinued
GC Number 47-094-24
Download the Vokera Eclipse ESC manual
PDF
Versions & GC numbers
The fault code is already on your display
Note it down before pressing reset — resetting clears the code immediately. How to read fault codes →
Severity at a glance
Each cell = one fault code. Hover to identify. 52 Unrated
Which version do you have?
The GC number on your boiler's data badge identifies the exact appliance and production years, as recorded in the UK Product Characteristics Database.
| GC number | Appliance (register name) | Produced |
|---|---|---|
| 47-094-24 | Eclipse ESC | 1996–2010 |
Appliance names and production years are taken from the UK Product Characteristics Database (the SAP/SEDBUK register). Where a GC number is also printed in this model's own manufacturer manual, both sources were checked to agree.
Just want the most common Vokera Eclipse ESC faults?
The top 6 problems in plain English — with causes, DIY checks and repair costs.
Fault codes
All 52 documented codes
Tap any card for details
01
24V short circuit
02
No flame detected
03
Internal fault (PCB)
04
Lockout then power off
05
Internal fault (PCB)
06
Internal fault (PCB)
07
Internal fault (PCB)
08
Internal fault (PCB)
09
Internal fault (PCB)
Showing 11–20 of 52
10
Internal fault (PCB)
11
Internal fault (PCB)
12
Condense trap blocked
13
Internal fault (PCB)
14
Internal fault (PCB)
15
Internal fault (PCB)
16
Internal fault (PCB)
17
Internal fault (PCB)
18
Flow temperature too high
19
Return temperature too high
Showing 21–30 of 52
24
Flow/return sensors reversed
25
Rapid temperature increase
26
Insufficient gas pressure
28
No signal from fan
29
No signal from fan
30
Internal fault (PCB)
31
Short circuit on flow sensor
32
Short circuit on return sensor
33
Short circuit on inlet sensor
36
Open circuit on flow sensor
Showing 31–40 of 52
37
Open circuit on return sensor
38
Open circuit on inlet sensor
41
Internal fault (PCB)
42
Internal fault (PCB)
44
Internal fault (PCB)
60
Internal fault (PCB)
61
Internal fault (PCB)
65
Insufficient fan speed
202
Gas turned off, Air in gas pipe, or Insufficient gas
436
Flow sensor cable disconnected
Showing 41–50 of 52
437
Return sensor cable disconnected
438
Cold water inlet sensor cable disconnected
918
Pump seized or Flow/return service valve closed
E18
Flow sensor above 95°C
E19
Return sensor above 95°C
E24
Temperature differential exceeded
E26
Insufficient gas pressure
E30
Return sensor 35°C higher than flow sensor
E65
Insufficient fan speed
Fan fault
Test 3
Showing 51–52 of 52
Ignition fault
Test 4
Pump failure
Test 2