User's Manual

Notes about Operation
38
LED Lamp Display
POWER
ACTIVE
DIAG
ALARM
LED
Status
Reason Probable Causes
POWER
ON Power ON
OFF
Power
OFF
ALARM
ON
Warning
Occurrence
- A measurement has exceeded one of
the set limits.
- The contact input is ON.
- There is trouble in the Remote Unit
(battery level is low, a sensor
connection is poor), etc…
OFF
Normal
DIAG
(Diagnosis)
ON
In Diagnosis
OFF
Normal
BLINKING
Error
- Clock settings were not carried out or
after a power outage the clock
settings have been cleared.
- The Remote Unit has not been
registered.
"DIAG" and
"ACTIVE"
both BLINKING
Error
- A network failure has occurred. (An IP
address cannot be retrieved from the
DHCP Server or other such error.)
ACTIVE
ON
Normal
OFF
Error
- The LAN cable is disconnected.
- The RTR-500AW cannot communicate
with its access point.
BLINKING
Communication
in progress
- Wireless Communication or LAN
Communication is in progress.