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4 .1 display diagnostic
The display indications provide help in the diagnosis of fault find-
ing.
The control panel display gives other information for the user.
The following table gives fault code, error and the reson for the
fault.
E01 + RESET
Lack of burner ignition on safety lockout
E02 + RESET
Safety thermostat intervention lockout
E03 + RESET
General lockout
Little pressure in the system or pressure
E04 +
transducer disconnected
E05 +
Faulty fan control system
Faulty c.h. temp. probe NTC1 or NTC2
E06 +
Faulty d.h.w. temp. probe NTC
E07 +
Faulty external temp. probe NTC (with K
E08 +
set)
E09 +
Faulty flue temp. probe NTC (if present)
E10 + RESET
Flue probe intervention lockout (if present)
Flame detection error (An flasching + error
flashing number)
E12 +
Failure return NTC probe
∆T delivery-return > 40K (if foreseen)
E13 +
Faulty pump or primary temperature above
E14 + RESET
105°C
Absence of flow from temperature gradient
E14 +
(>2K/s)
Faulty d.h.w. temp. probe inlet (if present)
E19 +
E20 + RESET
Lockout EVG
E21 + RESET
Lockout EVG
E22 + RESET
Lockout EVG
E23 + RESET
Lockout EVG
E24 + RESET
Abnormal combustion ignition lock
E25 + RESET
Abnormal combustion operation lock
Wiring error lockout
E69 +
Boiler not configured
E99 +
Primary circuit temp. limit during D.h.w. op-
L01
eration
FAult Finding
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