- Page 1 and 2: Servicing instructionsCondensing ga
- Page 6: 1Safety and general instructions1.8
- Page 9 and 10: Operation 44 Operation4.1 Operating
- Page 11 and 12: Operation 44.2.2 "Service Mode" men
- Page 13 and 14: Operation 4"ADJUSTMENTS" MENU72Curr
- Page 15 and 16: Function 55.2 Structure diagram "Fu
- Page 17 and 18: Function 5page 163The "Hot water mo
- Page 19 and 20: Function 5page 16, page 186The "Hea
- Page 21 and 22: Symptoms 6The following display val
- Page 23 and 24: Symptoms 6zMaine [1/c/\| e [2/1/0|
- Page 25 and 26: Symptoms 6zMaine [a/0/1| e [8/0/0|
- Page 27 and 28: Diagnosis 77 Diagnosis7.1 Faults wi
- Page 29 and 30: Diagnosis 7page 2819Check that ther
- Page 31 and 32: Diagnosis 7No display, part 3page 3
- Page 33 and 34: Diagnosis 7Hot water mode not opera
- Page 35 and 36: Diagnosis 7Repl. AApage 3312Check t
- Page 37 and 38: Diagnosis 7page 3645Check the tank-
- Page 39 and 40: Diagnosis 7page 3415Check the prima
- Page 41 and 42: Diagnosis 7hot water but no central
- Page 43 and 44: Diagnosis 7page 3648Check the DHW c
- Page 45 and 46: Diagnosis 7No digital pressure disp
- Page 47 and 48: iiliDiagnosis 7Lo0 Y 276The supply
- Page 49 and 50: Diagnosis 7Blocking boiler-fault co
- Page 51 and 52: Diagnosis 7Locking boiler fault cod
- Page 53 and 54:
Diagnosis 7Operating code 2U2U 21 3
- Page 55 and 56:
Diagnosis 7Blocking boiler fault co
- Page 57 and 58:
Diagnosis 7Locking boiler fault cod
- Page 59 and 60:
Diagnosis 7Locking boiler fault cod
- Page 61 and 62:
Diagnosis 7Locking boiler fault cod
- Page 63 and 64:
Diagnosis 7Locking boiler fault cod
- Page 65 and 66:
Diagnosis 7Locking boiler fault cod
- Page 67 and 68:
Diagnosis 7Locking boiler fault cod
- Page 69 and 70:
Diagnosis 76A Branch 05 v1 v8page 6
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Diagnosis 76A Branch 07page 6735Che
- Page 73 and 74:
Diagnosis 7Blocking boiler-fault co
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Diagnosis 7Blocking boiler-fault co
- Page 77 and 78:
Diagnosis 7Blocking boiler-fault co
- Page 79 and 80:
Diagnosis 7Operating code 8Y7 L 2 6
- Page 81 and 82:
Diagnosis 7Locking boiler fault cod
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Diagnosis 7Replace the UBA44Check t
- Page 85 and 86:
Actions 88.1.2 External connection
- Page 87 and 88:
Actions 88.1.4 Checking the fan uni
- Page 89 and 90:
Actions 8• Remove the air suction
- Page 91 and 92:
Actions 88.1.8 Replacing the supply
- Page 93 and 94:
Actions 8• Set the main switch on
- Page 95 and 96:
Actions 8• Switch on the power su
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Actions 88.1.17 Checking the ioniza
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Actions 88.1.20 Checking the gas co
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Actions 8fig. 40 Testing the resist
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Actions 8• Loosen three screws on
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Actions 8• If the boiler does not
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Actions 88.1.25 Measuring the inlet
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Actions 88.1.27 Measuring the carbo
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Actions 8• Pull both plugs on the
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Actions 88.1.30 Burner; replacing
- Page 115 and 116:
Actions 8• Install the new burner
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Actions 88.1.34 Heat exchanger; rep
- Page 119 and 120:
Actions 8• Disconnect the plug an
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Actions 8• Remove both the hot su
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Actions 8• Loosen the fastening s
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Actions 88.1.35 UBA 3; replacing•
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Appendix 9Gas orifice diameter Alti
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Spare parts 10Pos. Description Prod
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Spare parts 10Exploded view Logamax