Specifications

SiUS12-928_A Wiring Error Check Function
Trial Operation and Field Settings 220
Checking the
current setting
data on the
microcomputer
memory
Those data can be checked by looking at the service monitor LED indicators, when the wiring error
checking is over, during forced operation, at the stop of the system.
The LED indicators stop blinking when the forced operation is over.
LED1…Room A wiring, LED2…Room B wiring
1st blinking LED…Port A piping, 2nd blinking LED…Port B piping
The 1st blinking LED means the room that is connected with Port A. The 2nd blinking LED means
the one connected with Port B.
Example Ex.) Suppose the LED indicators are blinking as follows.
The above means that Port A is connected with Port B, and Port B with Room A (or self-corrected
this way.)
L
E
D
A 1 2 3 4
Green Red
Green Red
Green Red
L
E
D
A 1 2 3 4
L
E
D
A 1 2 3 4
(R8252)
A
B
Wiring
Piping
Wiring
Piping
A
B
(R8253)