126
Alarm Screen
Description &
Classification
Possible Causes
Corrective Actions
External Temp.
Module Sensor
T** Low
Temperature
The optional
Rack sensor
has a High
Temp Alarm
*Warning
•
Temperature is below
rack sensor low alarm
set point
•
Faulty sensor
•
Check temperature of sensor
and set point for alarm
•
Check sensor and replace
sensor
External Temp.
Module Sensor
Failure
The optional
Rack sensor in
Fault Alarm
*Warning
•
Faulty Rack Sensor
•
Check the sensor indicated and
replace sensor if necessary.
Suction
Pressure/Temp
High Suction
Pressure of
Temperature
•
Compressor running
at minimal speed.
•
Heavy Load on
Evaporator.
•
Too much air flow
•
EEV failed Open
•
Faulty Sensor
•
Check input signal to
compressor speed control and
the compressors actual speed.
•
Check temperature set point and
compressors mode of operation
(Discharge or Return control)
•
Check fan speed control and set
point
•
Check EEV
EVD Failure
Electronic
Valve Driver
failure
•
Damaged EVD
•
EVD Sensors Failure
•
Refrigerant Charge
problem
•
Replace EVD
•
Check or replace sensors
•
Check refrigerant charge
Lost Phase
Phase failure
alarm when
optional power
meter installed
***Critical
•
Lost power on a phase
of the high voltage
supply. Unit will shut
down.
•
Check high voltage connections
to unit. Check power meter or
phase loss detector
High CO2
(gPOD units
only)
CO2 level is
higher than
alarm set point
**Urgent
•
CO2 level is too high
and may be
dangerous. Evacuate
anyone in the affected
area.
•
Check CO2 level in the air and
check the CO2 valve to make
sure it turns off completely.
•
Check CO2 setpoint
Summary of Contents for dap4 touch
Page 1: ...1 dap4 User Manual Data Aire Inc 230 W BlueRidge Avenue Orange CA 92865 www dataaire com...
Page 33: ...32 MENU F INFORMATION differently from what is written in this manual...
Page 69: ...66 MENU K ALARMS LIMITS Service Level continued Control Only...
Page 82: ...78...
Page 133: ...129 Wiring Connections...