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15

warmhaus.com

420

725

MODE

RESET

+

+

208

208

118

118

385

A

B

C

D

E

94

136

74

40

100

65

148

65

65

K

J

G

F

H

I

Error

Code

Description of the Error

Malfunction

Probable Cause

Solution(s)

E 94

Possible low gas pressure or 

exhaust recirculation

Boiler does not work, E94 error 

code flashing on the screen

> Gas inlet pressure LOW

> Recirculation of exhaust gas 

into fresh air

> Blockage in flue or wrong 

flue

> Aging or rust on the 

electrode

> Electrode position

> Combustion calibration

> Gas valve failure

> Electronic board

1) Call for authorised service

E 95

Intermittent combustion value

Boiler does not work, E95 error 

code flashing on the screen

> Harness on electrode and 

earth

> Aging or rust on the 

electrode

> Electrode position

> Combustion calibration

1) Call for authorised service

E 96

Flue or air suction way 

blockage

Boiler does not work, E96 error 

code flashing on the screen

> Blockage in flue

> Blockage in air suction path

1) Call for authorised service

E 98

SW error, board start-up error 

fault

Boiler does not work, E98 error 

code flashing on the screen

> Boiler software problem

1) Call for authorised service

E 99

Generic fault

Boiler does not work, E99 error 

code flashing on the screen

> Boiler electronic hardware 

problem

1) Reset & Restart boiler

2) Call for authorised service

(1) Call the Authorised Service if failure continues.
(2) 81 numbered failure corresponds any blocking in the exhaust gas pipe. In such case, you should consult the authorised service technician before re-starting the 

boiler.

2.5.1. Filling/Emptying Radiator Installation

Ensure that the pressure reaches to 1-1,5 bar in the Manometer indicated 

with 

G symbol

 by rotating the Fill Tap counter clockwise that is indicated 

with 

F symbol

 in Lower View Figure 8 for filling the closed circuit radiator 

installation after installation of the and close the Filling Tap by rotating 

clockwise and discharge air of radiators via air discharge valves. Combi 

boiler safety valve discharge should be connected to a discharge funnel. 

Otherwise, safety valve shall be activated and manufacturer shall not be 

responsible due to water discharge to the place of device.

0

3

2

1

0

3

2

1

1,5 bar

Figure 7 

Filling the boiler

Figure 8 

Boiler connections

0099_00.W200410

0096_00.W210806

A.  Central Heating Flow (CH-3/4" thread)

B.  Domestic Hot Water Outlet  (DHW-1/2" thread)

C.  Gas Inlet

D.  Domestic Hot Water Inlet (DHW-1/2" thread)

E.   Central Heating Return (CH-3/4" thread)

F.   Filling Valve

G.  Manometer

H.  Pressure Relief Valve Outlet

I.   Drain Point

J.   Condansate Drain (Ø24 mm)

K.  Power Supply (230V AC 50 Hz)

Summary of Contents for ENERWA PLUS 42/40

Page 1: ...CONDENSING COMBI BOILERS USER MANUAL ENERWA PLUS 42 40 ENERWA PLUS 45 43...

Page 2: ...ildren with limited mental and sensory capabilities or by persons who do not have enough experience and or knowledge unless they are supervised by a person who is responsible for their safety or they...

Page 3: ...tand by Positions 8 2 1 3 Operation in Winter Mode 8 2 1 4 Operation in Summer Mode 9 2 1 5 Shutting off the Boiler 9 2 2 Use with Room Thermostat Optional 10 2 3 Use of Outside Temperature Sensor Opt...

Page 4: ...damage to properties due to installation by unauthorised people The maintenance and repairs as the result of failure of the product within the warranty period due to material production and installat...

Page 5: ...mbar G25 DE II 2L3P Natural Gas 25 mbar G25 NL II 2L3B P Natural Gas 25 mbar G25 NL II 2ELL3B P Natural Gas 20 mbar G25 DE I 3 Buthane Gas 28 30 mbar 37 mbar G30 BE CH CY CZ ES FR GB GR IE IT LT PT SI...

Page 6: ...rn off the gas supply at the gas meter or an appropriate emergency control valve Immediately evacuate the place Call the National Gas Emergency Service Do not make any intervention on installation Nev...

Page 7: ...his booklet are strictly followed for safe and economical operation of the boiler Important Notes This appliance must not be operated without the casing correctly fitted and forming an adequate seal I...

Page 8: ...ent change will be activated when radiator symbol rapidly flashes DHW adjustment change will be activated when tap symbol rapidly flashes CH Central Heating DHW Domestic Hot Water When the boiler is s...

Page 9: ...en on the screen and LCD screen backlight is turned OFF In this mode you can adjust the Domestic Hot Water temperature between 35 60 C with 7 and 8 numbered buttons LCD screen backlight is turned ON d...

Page 10: ...ce installation shall only be performed by the Warmhaus Authorised Service The dual cable required for installation is supplied by the dealer consumer Maintenance and Service Life Warmhaus room thermo...

Page 11: ...or systems to operate at high temperatures as standard P24 Child Protection This feature is disabled as default factory setting 0 Child Protection key lock is enabled when parameter is adjusted to 1 K...

Page 12: ...er and check if problem is resolved 5 Call for authorised service E 08 Flame circuit failure False flame signal from combustion or electrode Condensate Syphon blocked Electronic board 1 Call for autho...

Page 13: ...munication error Boiler does not work E43 error code flashing on the screen after 1 minute of communication error Opentherm line disconnected 1 Remove energy from boiler and re energize E43 will be re...

Page 14: ...disconnections Gas valve failure 1 Call for authorised service E 88 Fault of electronic gas valve managing circuit Boiler does not work E88 error code flashing on the screen Cabling disconnections Gas...

Page 15: ...n the screen Boiler electronic hardware problem 1 Reset Restart boiler 2 Call for authorised service 1 Call the Authorised Service if failure continues 2 81 numbered failure corresponds any blocking i...

Page 16: ...h and also you can acquire approximately 6 power saving with every degree of temperature decrease Ventilation Do not leave windows slightly open for ventilating room rooms In such case continuous heat...

Page 17: ...nt test conditions Only the data that is contained in this product information is applicable and valid Electricity Fuel HANDING OVER After completing the installation and commissioning of the system t...

Page 18: ...Boilernation boiler Yes Yes B1 Boiler No No Room boiler with combi boilerned heat and power Yes Yes Auxiliary boiler No No Brand Name Warmhaus Manufacturer adress Warmhaus Is tma ve Sogutma Sistemler...

Page 19: ...19 warmhaus com...

Page 20: ...Enerwa Plus 42 45 User Manual INT Code 15011606000131 Revision Date 08 2021 CONDENSING COMBI BOILERS USER MANUAL ENERWA PLUS 42 40 ENERWA PLUS 45 43...

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