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lCD display on
The possible operation error conditions are shown on the controller's LCD display.
Card fault code
F81
F82
F83
F84
F85
F87
Fault 81 - Solar collector B Pt1000 sensor S4 fault
Only with SYSTEM 4
The sensor fault, understood as a short circuit or open circuit, causes deactivation of the solar circulating pump B.
On eliminating the fault, the protection is immediately deactivated.
To signal this fault, the symbol S4 will be deactivated whereas the fault symbol, the symbol S4 and the backlight
will start flashing.
Fault 82 - Hot water tank ntC sensor S2 fault
The sensor fault, understood as a short circuit or open circuit, causes deactivation of the solar circulating pump.
On eliminating the fault, the protection is immediately deactivated.
To signal this fault, the symbol S2 will be deactivated whereas the fault symbol, the symbol S2 and the backlight
will start flashing.
Fault 83 - Solar collector A Pt1000 sensor S3 fault
The sensor fault, understood as a short circuit or open circuit, causes deactivation of the solar circulating pump A.
On eliminating the fault, the protection is immediately deactivated.
To signal this fault, the symbol S3 will be deactivated whereas the fault symbol, the symbol S3 and the backlight
will start flashing.
Fault 84 - Solar collector return ntC sensor S1 fault
Only with SYSTEM 4
The sensor fault, understood as a short circuit or open circuit, does not cause deactivation of the solar circulating
pump. The system must simply work as though Basic System were set. On eliminating the fault, the protection
is immediately deactivated.
To signal this fault, the fault symbol and the backlight will start flashing.
Fault 85 - Controller configuration fault
Check that parameter P26 is set to 1.
Fault 87 - Controller configuration fault
Check that parameter P25 sis set to 0.
Description of Fault
Solar collector B PT1000 sensor S4
Hot water tank NTC sensor S2
Solar collector A PT1000 sensor S3
Solar collector return NTC sensor S1
Controller configuration fault
Controller configuration fault
cod. 3540V011 - 03/2017 (Rev. 00)
ECOTRONIC tech
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