gledhill GB10 Installation And Servicing Instructions page 33

'c' Error
code
1 T_FLOW_OPEN
2 T_RETURN_OPEN
8 T_FLUE_OPEN
11 T_FLOW_SHORTED
12 T_RETURN_SHORTED
18 T_FLUE_SHORTED
13 REFHI_TOO_LO_ERROR
14 REFHI_TOO_HI_ERROR
15 REFLO_TOO_LO_ERROR
16 REFLO_TOO_HI_ERROR
19 E2PROM_READ_ERROR
20 FLAME_ERROR_2
21 PHASE_ERROR
22 50HZ_ERROR
42 WD_COMUNICATION_ERROR
51 RESET_BUTTON_ERROR
8.3. SERIAL SOFTWARE
In order to check the control and to set the parameters in its E2PROM, serial software is provided. To use
this software a windows PC with serial port (COMP port) or a USB port is needed.
8.4. INTERNAL WIRING DIAGRAM
The appliance wiring diagram is shown in diagram 8.3. Ensure that wiring details are followed when a PCAB,
wiring harness or components are changed.
VER: 02.3 _260505
Supplied By www.heating spares.co Tel. 0161 620 6677
Table 8.6 Blocking error codes
Int
no
48 Flow sensor, S1, open
47 Return sensor, S2, open
51 Flue sensor, S3, open
56 Flow sensor, S1, shorted
55 Return sensor, S2, shorted
59 Flue sensor, S3, shorted
28 Temperature measurement incorrect
29 Temperature measurement incorrect
30 Temperature measurement incorrect
31 Temperature measurement incorrect
0 Not able to read e2prom contents
33 Flame detected with a closed gas valve
41 Mains supply live and neutral are reversed
42 Mains frequency is not 50Hz
44 problems with communicating with watchdog
65 Reset button pressed to many times in a short time
Description
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