125
EN
&RG05HY
,'2/$6:7
Error code
Unit
in error
Malfunction or protection
Cause of fault and corrective action
Ec
IU
6\VWHPDFFXPXODWLRQORZHUWHPSHUDWXUHSUREH
fault (Tbt2)
1.Check the probe resistance.
2.The probe connector is disconnected. Reconnect it.
7KHSUREHFRQQHFWRULVZHW5HPRYHWKHZDWHUDQGGU\WKHFRQQHFWRU$SSO\ZDWHUSURRIDGKHVLYH
tape.
)DXOW\SUREHUHSODFHLW
Ed
IU
Plate exchanger input water temperature probe
fault (Tw_in)
1.Check the probe resistance.
2.The probe connector is disconnected. Reconnect it.
7KHSUREHFRQQHFWRULVZHW5HPRYHWKHZDWHUDQGGU\WKHFRQQHFWRU$SSO\ZDWHUSURRIDGKHVLYH
tape.
)DXOW\SUREHUHSODFHLW
EE
IU
((SURPIDXOWRQK\GURQLFERDUG
7KHK\GURQLFFRQWUROERDUGLVIDXOW\UHSODFHLW
F1
UE
DC current too low
-
H0
UI / UE
Communication error between indoor and out-
door unit
7KHFDEOHVEHWZHHQWKHK\GURQLFERDUGRIWKHLQGRRUXQLWDQGRXWGRRUXQLWDUHQRWFRQQHFWHG
Reconnect them.
,IWKHUHLVDVWURQJPDJQHWLFILHOGRUKLJKSRZHULQWHUIHUHQFHOLNHOLIWVODUJHSRZHUVXSSO\WUDQVIRUP
-
ers, etc., add a barrier to protect the unit or move the unit elsewhere.
H1
EU
Communications error between board A of the
inverter module and board B of the main control
board of the outdoor unit
1. Check that the boards are powered. Check that the PCB indicator light on the inverter module is on
RURII,IWKHOLJKWLVRIIUHFRQQHFWWKHSRZHUVXSSO\FDEOH
2. If the indicator light is off, check the cable connection between the inverter module board and the
main control board; if the cable is loose or broken, reconnect the cable or replace it with a new one.
5HSODFHERWKWKHERDUGVLQWXUQWRVHHLIRQHRIWKHLVIDXOW\
H2
IU
Refrigerant liquid temperature probe fault (T2) 1.Check the probe resistance.
2.The probe connector is disconnected. Reconnect it.
7KHSUREHFRQQHFWRULVZHW5HPRYHWKHZDWHUDQGGU\WKHFRQQHFWRU$SSO\ZDWHUSURRIDGKHVLYH
tape.
)DXOW\SUREHUHSODFHLW
H3
IU
Refrigerant gas temperature probe fault (T2B) 1.Check the probe resistance.
2.The probe connector is disconnected. Reconnect it.
7KHSUREHFRQQHFWRULVZHW5HPRYHWKHZDWHUDQGGU\WKHFRQQHFWRU$SSO\ZDWHUSURRIDGKHVLYH
tape.
)DXOW\SUREHUHSODFHLW
H4
EU
Three times P6 fan protection
refer to P6
H5
IU
Temperature probe fault. Room (Ta)
1.Check the probe resistance.
2.The probe connector is disconnected. Reconnect it.
7KHSUREHFRQQHFWRULVZHW5HPRYHWKHZDWHUDQGGU\WKHFRQQHFWRU$SSO\ZDWHUSURRIDGKHVLYH
tape.
)DXOW\SUREHUHSODFHLW
H6
EU
Fan protection
1. Strong wind against the expulsion flow of the fan can cause the fan to rotate in the reverse direc-
tion. Change the position of the unit or create a shelter to avoid this phenomenon.
2. Fan motor broken, replace it with a new motor
H7
EU
Voltage protection outside limits
&KHFNLIWKHSRZHUVXSSO\YROWDJHIDOOVZLWKLQWKHSHUPLWWHGUDQJH
2. Switch off and on again multiple times in rapid succession. Leave the unit switched off for more
than 3 minutes, then switch it on again.
)DXOW\K\GURQLFERDUG5HSODFHLWZLWKDQHZRQH
H8
EU
Pressure sensor fault
1. The pressure sensor connection is loose; reconnect it.
2. Pressure sensor fault. Replace it with a new one.
H9
IU
:DWHURXWOHWWHPSHUDWXUHSUREHIDXOWIRU]RQH
2 (Tw2)
1.Check the probe resistance.
2.The probe connector is disconnected. Reconnect it.
7KHSUREHFRQQHFWRULVZHW5HPRYHWKHZDWHUDQGGU\WKHFRQQHFWRU$SSO\ZDWHUSURRIDGKHVLYH
tape.
)DXOW\SUREHUHSODFHLW
HA
IU
Plate heat exchanger water outlet temperature
probe fault (Tw_out)
1.Check the probe resistance.
2.The probe connector is disconnected. Reconnect it.
7KHSUREHFRQQHFWRULVZHW5HPRYHWKHZDWHUDQGGU\WKHFRQQHFWRU$SSO\ZDWHUSURRIDGKHVLYH
tape.
)DXOW\SUREHUHSODFHLW
Hb
IU
Appears after 3 interventions of the “PP” error
with Tw_out <7°C
Refer to “PP” error.
Summary of Contents for IDOLA SW-T 3.2
Page 67: ...67 IT RG 0 5HY 2 6 7 NOTE...
Page 131: ...131 EN RG 0 5HY 2 6 7...
Page 195: ...195 PL RG 0 G 2 6 7...
