CIAT EREBA 4H Installationsanleitung Seite 22

9.2 - Inverter board alarm codes (only for sizes 15h
1Ph and 12HT-15HT 3Ph) (Fig. 13)
The error which is generating at present and the latest
error (latest error information including present) can be
confirmed by lighting LED D800 toD804 on the outdoor
control P.C. board.
a) When all DIP switch SW803 are OFF, the status of
error which is generating at present is displayed.
b) <1> only of DIP switch SW803 is turned on, the error
which generated before (latest error information
including present) is displayed.
Present Latest
error error
SW803 SW803
display 1
(Initial display)
22
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c)
d) When pushing the pushdown button switch SW800 for
e)
(Legend)
D800 (Yellow)
D801 (Yellow)
D802 (Yellow)
D803 (Yellow)
D804 (Yellow)
D805 (Green)
display 2
Error contents
(SW800 operation
Normal
Discharge temp. sensor (TD) error
Heat exchanger temp. sensor (TE) error
Heat exchanger temp. sensor (TL) error
Outside temp. sensor (TO) error
Suction temp. sensor (TS) error
Heat sink temp. sensor (TH) error
Heat exchanger sensor (TE, TS) miswiring
EEPROM error
Compressor break down
Compressor lock
Current detection circuit error
Case thermostat operation
Model unset
Communication error between MCU
Other error (Compressor disorder, etc.)
Discharge temp. error
Power supply error
Heat sink overheat error
Gas leak detection
4-way valve reverse error
High pressure protective operation
Fan system error
Driving element short-circuit
Position detection circuit error
If there is an error, any of LED D800 to D804 goes
on. (Display 1)
approx. 1 second, the display is exchanged. (Display 2)
When pushing SW800 again or after 2 minutes, the
status returns to that of Display 1
Go off Go on Flash