ARTC-SVX005B-EN
C–1
Appendix C.
Active Alarm List
All active alarms are reported on the Active Alarms
screen.
Application
Shows if alarm applies to primary microprocessor
controller, secondary microprocessor controller, or
both.
Type
This is the alarm type; either an automatic reset or a
manual reset performed by the operator.
Auto Reset
An alarm automatically resets itself once the condition
triggering the alarm is resolved, so it will change from
active to non-active automatically.
Operator Reset
When the alarm condition is resolved, the alarm still
needs to be manually reset using the R
RE
ES
SE
ET
T P
PL
LC
C
button.
O
OP
PE
ER
RA
AT
TO
OR
R R
RE
ES
SE
ET
T is always required for major
alarms or alarms that cause module shut-down or lock-
out, signifying that intervention is required.
Action
The action taken by the microprocessor controller logic
to avoid alarm or keep it from damaging equipment.
Warning
This is an informative alarm; no action is required.
Alarm Notes
•
Alarm covers special cases that can occur on the
active alarms screen are listed below.
•
* – If the EWT is selected as the cooling or heating
temperature control sensor.
•
** – If the LWT is selected as the cooling or heating
temperature control sensor.
•
*** – If the EWT is selected as cooling or heating
temperature control sensor and the module is
running in stand-alone mode.
•
**** – If the LWT is selected as cooling or heating
temperature control sensor and the module is
running in stand-alone mode.
•
***** – If both compressors are in lock-out, that will
in turn lock out the module.
Alarm List
All alarm states that can appear on the Active Alarms
screen are listed in the following table:
Table 18.
Touchscreen interface active alarm states
Alarm
Application
Type
Action
Secondary 1 communication lost
Primary
Auto Reset
Warning
Secondary 2 communication lost
Primary
Auto Reset
Warning
Secondary 3 communication lost
Primary
Auto Reset
Warning
Secondary 4 communication lost
Primary
Auto Reset
Warning
Secondary 5 communication lost
Primary
Auto Reset
Warning
Secondary 6 communication lost
Primary
Auto Reset
Warning
Secondary 7 communication lost
Primary
Auto Reset
Warning
Secondary 8 communication lost
Primary
Auto Reset
Warning
Secondary 9 communication lost
Primary
Auto Reset
Warning
System Chilled LWT too high
Primary
Auto Reset
Warning
System Hot LWT too low
Primary
Auto Reset
Warning
WRONG PRIMARY ROTATION CONTROL
PARAMETERS
Primary
Auto Reset
Warning
