Hitachi RWM-(H)FSN3E, Service Manual

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4 Electrical wiring
SMGB0070 rev.1 - 08/2011
94
LED5: Power supply indication
Status LED5
Supply ON ON
Supply OFF OFF
LED6: Alarm indication
Status LED5
Alarm ON ON (flick)
Alarm OFF OFF
LED7: Not used
LED8: H-Link transmission indication

Operation display (seven-segments PCB)
Operation display at normal operation
- Segment display:
Segment Display
Upper
(2 char)
Lower
(3 char)
Unit OFF
oF
Cooling – Demand OFF
Co
5t
Cooling – Thermo OFF
of
Cooling – Thermo ON
on
Heating – Demand OFF
hE
5t
Heating – Thermo OFF
of
Heating – Thermo ON
on
Heating – Boiler ON
bo
Hot Sanitary Water – Thermo OFF
hS
oF
Hot Sanitary Water – Thermo ON
on
Swimming Pool – Thermo OFF
sP
oF
Swimming Pool – Thermo ON
on
Alarm
AL
Alarm code
Test Run Heating/Cooling
t
(
h
/
c
)
--
Tariff function enabled
HE
/
Co tAr