Daikin EWAP280MBYNN [360/452] What happens in the event of an alarm

Daikin EWAP400MBYN [360/452] What happens in the event of an alarm
Overview of Fault Indications and Safeties ESIE05-07
3–4 Part 3 – Troubleshooting
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1.2 What happens in the Event of an Alarm?
The units are equipped with three kinds of safety devices.
Unit alarm Circuit alarm Network alarm Warnings
Function
Protects the unit in
general
Protects the individual
circuit
Is activated when a
communication prob-
lem occurs
Dual pump safety
Description
P All compressors
are shut down.
P The red LED inside
the p key lights up
P The compressor of
the corresponding
circuit is shut down.
P The red LED inside
the p key lights up
P The units of the
network will
operate ass
standalone.
P The red LED inside
the p key lights up
P No action is taken,
the units keep
operating.
P The red LED inside
the p key lights up
Action to take
Press p to acknowl-
edge the alarm
Press p to acknowl-
edge the alarm
Press p to acknowl-
edge the alarm
Press p to acknowl-
edge the alarm
Display example
OAE:FLOW HAS
STOPPED
OU1:REVERESE
PHASE PR
1CA:OUT E SENSOR
ERR
1EO:GENERAL
SAFETY
1A4:FREEZE -UP
PROT.
0U4:PCB
COMM.PROBLEM
0AE:FLOW HAS
STOPPED
ESIE05-07.book Page 4 Wednesday, October 11, 2006 10:42 AM

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