Baxi EcoBlue Plus Combi Quick Start Manual download pdf (Page 65)

109

110

111

117

118

125

128

130

133

151

160

321

384

7212136 - 02 (08/14) EcoBlue Plus Combi 65

Troubleshooting 11

11 Troubleshooting

11.1 Error Codes

1. If a fault occurs on the boiler an error code may be shown by

the facia display.

2. The codes are a flashing number, either two or three digit,

preceded by the symbol :-

followed by 20, 28, 40, 160 or 321 indicates possible faulty

components.

110 and 111 indicate overheat of the primary system water.

117 is displayed when the primary water pressure is greater

than 2.7 bar. Restoring the correct pressure will reset the error.

118 is displayed when the primary water pressure is less than

0.5 bar. Restoring the correct pressure will reset the error.

133, indicates that the gas supply has been interrupted,

ignition has failed or the flame has not been detected.

128 is displayed if there has been a flame failure during

normal operation.

125 is displayed in either of two situations:-

i) If within 15 seconds of the burner lighting the boiler

temperature has not changed by 1°C.

ii) If within 10 minutes of the burner lighting the boiler actual

temperature twice exceeds the selected temperature by 30°.

In these instances poor primary circulation is indicated.

3. By pressing the 'Reset' button for 1 to 3 seconds when

110, 125 & 133 are displayed it is possible to relight the boiler.

4. If this does not have any effect, or the codes are displayed

regularly further investigation is required.

11.2 Fault Finding

1. Check that gas, water and electrical supplies are available at

the boiler.

2. Electrical supply = 230V ~ 50 Hz.

3. The preferred minimum gas pressure is 20 mb (NG).

4. Carry out electrical system checks, i.e. Earth Continuity,

Resistance to Earth, Short Circuit and Polarity with a suitable

meter.

NOTE: These checks must be repeated after any servicing or

fault finding.

5. Ensure all external controls are calling for heat and check all

external and internal fuses. Before any servicing or replacement

of parts, ensure the gas and electrical supplies are isolated.

The button can be pressed so that the display

shows

the following information:-

‘00’ alternates with Sub-Code (only when fault on

boiler) or ‘000’

‘01’ alternates with CH Flow Temperature

‘02’ alternates with Outside Temperature (where

Sensor fitted)

‘03’ alternates with stored DHW Temperature

‘04’ alternates with DHW Temperature

‘05’ alternates with System Water Pressure

‘06’ alternates with CH Return Temperature

‘07’ alternates with Flue Temperature

‘08’ - not used

‘09’ alternates with Collector Temperature

‘10’ alternates with Zone 1 CH Flow Temperature

‘11’ alternates with Zone 2 CH Flow Temperature

‘12’ alternates with Ionization current

‘13’ alternates with Burner working hours

‘14’ alternates with Zone 1 CH mode

‘15’ alternates with Zone 2 CH mode

‘16’ alternates with DHW circuit operating mode

‘17’ alternates with Boiler operating mode

‘18’ alternates with Solar plant operating mode

‘19’ alternates with Manufacturer information

‘20’ alternates with Manufacturer information

Table Of Error Codes

Central Heating NTC Fault

Flue NTC Fault

Central Heating Return NTC Fault

Possible Circulation Fault

Safety Thermostat Operated (pump fault)

Safety Thermostat Operated (over temperature)

Primary System Water Pressure Too High

Primary System Water Pressure Too Low

Circulation Fault (Primary)

Flame Failure (no lock-out)

Flue NTC Operated

Interruption Of Gas Supply or Flame Failure

Flame Failure

Fan or Fan Wiring Fault

Hot Water NTC Fault

False Flame

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Baxi EcoBlue Plus Combi Quick Start Manual Page 65

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