Temperature Indicator: 409-4IN
REF NO: m47/om/201
Issue NO: 04
Page 22 of 34
Alarm AL2 (Maintained Alarm): when in abnormal condition ACK is pressed.
Table 9.
Notes
: *means normal condition after abnormal has occurred.
**means ACK pressed in abnormal condition.
***means ACK pressed in normal condition after abnormal has occurred.
Condition
Normal
Abnormal
UP
DOWN
ACK**
Normal*
ACK***
VHigh
Alarm
Latch(Yes)
LAMP
OFF
FLASH
FLASH
OFF
STEADY
STEADY
OFF
RELAY
OFF
ON
ON
OFF
ON
OFF
OFF
Alarm
Latch(No)
LAMP
OFF
FLASH
FLASH
OFF
STEADY
OFF
OFF
RELAY
OFF
ON
ON
OFF
OFF
OFF
OFF
Trip
LAMP
OFF
FLASH
OFF
OFF
STEADY
STEADY
OFF
RELAY
OFF
ON
OFF
OFF
ON
ON
OFF
High
Alarm
Latch(Yes)
LAMP
OFF
FLASH
FLASH
OFF
STEADY
STEADY
OFF
RELAY
OFF
ON
ON
OFF
ON
OFF
OFF
Alarm
Latch(No)
LAMP
OFF
FLASH
FLASH
OFF
STEADY
OFF
OFF
RELAY
OFF
ON
ON
OFF
OFF
OFF
OFF
Trip
LAMP
OFF
FLASH
OFF
OFF
STEADY
STEADY
OFF
RELAY
OFF
ON
OFF
OFF
ON
ON
OFF
LOW
Alarm
Latch(Yes)
LAMP
OFF
FLASH
OFF
FLASH
STEADY
STEADY
OFF
RELAY
OFF
ON
OFF
ON
ON
OFF
OFF
Alarm
Latch(No)
LAMP
OFF
FLASH
OFF
FLASH
STEADY
OFF
OFF
RELAY
OFF
ON
OFF
ON
OFF
OFF
OFF
Trip
LAMP
OFF
FLASH
OFF
OFF
STEADY
STEADY
OFF
RELAY
OFF
ON
OFF
OFF
ON
ON
OFF