ActronAir ESP Digital SRD173C - Fault and Status Codes

Installation and Commissioning Guide - Split Ducted ESP Digital Units
Doc. No.0525-077 Ver. 2 200129
Installation and Commissioning Guide
Split Ducted ESP Digital
40
19. Fault and Status Codes
OUTDOOR
CPU
LM7* Wall Control LM24* Wall Control FUNCTION / FAULT
0 - - Cooling Mode
1 - - Heating Mode
2 - - Heating Mode - Compressor run time > 20 min
3 HEAT blink every 8 s HEAT blink every 8 s Heating Mode - Defrost
4 LOW speed blink 30 s LOW speed blink 30 s
Over Heat or Anti-Freeze Protection Mode
(Low Capacity Mode)
5 HEAT blink every 8 s HEAT blink every 8 s Heating Mode - indoor coil pre-heat after defrost
6 E6 E6
Fault discharge high temperature
(low on refrigerant)
7 E7 E7 Fault outdoor coil sensor (open or short circuit)
8 E8 E8
Fault outdoor discharge sensor
(open or short circuit)
9 E9 E9 High or Low Pressure
- E5 E5 Communication error between outdoor and indoor
- E3 E3 Fault room sensor(s) (open or short circuit)
- E4 E4 Fault indoor coil-in sensor (open or short circuit)
- E2 E2 Fault indoor coil-out sensor (open or short circuit)
NOTES
• When unit is powered up, the first No. shown on LED display will be the CPU version No., then 8 followed by normal
controller status codes.
• Faults may not be displayed on the wall control until the fault occurs several times.
• Phase error will be indicated by indicator lights on the 3 phase soft starter.
• Phase correction must be applied to the incoming supply side
• * Available in White and Grey colours.