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Should the conditioner block and signal an error (as indicated in the following table), specify the LEDs that are flashing to the
service centre in order to facilitate the intervention (fig. 24).
DESCRIPTION
MASTER unit internal exchanger overtemperature (HTI)
MASTER unit external exchanger overtemperature (HTE)
MASTER unit outdoor temp. probe fault (short circuit) (TFS7)
MASTER unit outdoor temperature probe fault (open circuit) (TFS8)
MASTER unit internal fan malfunction (SV)
MASTER unit insufficient exchanger temperature (CF/RL)
MASTER unit condensation water maximum level (OF)
MASTER unit EEprom parameters not valid (CKS)
MASTER unit ambient temperature probe fault (short circuit) (TFS1)
MASTER unit ambient temperature probe fault (open circuit) (TFS2)
MASTER unit internal exchanger temperature probe fault
(short circuit) (TFS3)
MASTER unit internal exchanger temperature probe fault
(open circuit) (TFS4)
MASTER unit external exchanger temperature probe fault
(short circuit) (TFS5)
MASTER unit external exchanger temp. probe fault (open circuit)
(TFS6)
WALL unit malfunction
: flashing
WARNINGS SIGNALLED DURING NORMAL OPERATION SHOULD NOT BE INTERPRETED AS ANOMALIES.
LED A: indicates the filter may need cleaning
After this operation the LED must be switched off manually as indicated in section 2.4.1
LED B steady light: high battery temperature signal.
LED A + LED C flashing: continuous pump operation.
If the UNICO BOILER WALL unit malfunctions, the UNICO BOILER MASTER can be run temporarily on its own. To clear the alarm
status and enable the UNICO BOILER MASTER unit on its own, proceed as follows: cut the mains voltage to both units, wait a
few seconds, and then reconnect the power line to the UNICO BOILER MASTER unit only.
Once the UNICO BOILER WALL is working correctly again, simply power it again and it will be detected by UNICO BOILER
MASTER.
2.1.13
Evacuating condensate water during an emergency (fig. 25)
If there should be a malfunction in the condensation water drain system, the air conditioner stops working and signals, with flashing
orange, green and red lights (the second and third LEDs from the left), the alarm status.
To enable the air conditioner to work temporarily until the service personnel arrive, you can drain the water out by following these
simple instructions:
-
remove the lower cover (fig. 25 ref. A)
-
remove the cap (fig. 25 ref. B) after having placed a good-sized container underneath it (at least 5-liter capacity) to collect the
water (see fig. 25)
-
after having cleared the fault, the service personnel will close the evacuation pipe.
2.2
UNICO BOILER WALL INSTALLATION PROCEDURES
2.2.1
Instructions for installation
To obtain the best results and optimum performance, follow the instructions for correct installation provided in this manual.
Failure to follow the instructions and apply the rules indicated may cause malfunction of the appliance and relieves the manufacturer,
OLIMPIA SPLENDID of any form of guarantee and liability for damages to persons, animals or property.
The electrical system must comply with the regulations and rating data in the technical sheet, with good grounding.
LED D
LED C
LED B
GREEN
YELLOW
GREEN
OFF
OFF
ON
OFF
OFF
ON
OFF
ON
OFF
OFF
OFF
ON
OFF
ON
ON
OFF
ON
ON
OFF
ON
OFF
ON
ON
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
OFF
ON
LED A
RED
OFF
ON
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
OFF
ON
OFF
ON
43
UNICO BOILER
2
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