Edwards GXS Series User Manual

Table 59 Inverter warning codes
Inverter alarms
Bit
set
Fault code
combinaon
PDT reported fault name Descripon
5
8 Reserved Reserved
4 Reserved Reserved
2 LOWTW
Condensaon warning, indicates that the
inverter (water) temperature is lower than
expected ‑ possible causes include inverter
water valve stuck open.
1 HIGHTW
Indicates that the inverter temperature is
higher than expected ‑ possible causes
include no or low cooling water ow, inverter
water valve stuck closed or water pipe to
inverter is blocked.
6
8 HIGHTC
Controller temperature above the upper
limit/controller temperature sensor open
circuit. Check water supply.
4 HIGHTS
Inverter heat‑sink temperature above the
upper limit/inverter heat‑sink temperature
sensor open circuit. Check water supply.
2 HIGHTM
Motor temperature above upper limit/motor
temperature sensor open circuit. Check
water supply.
1 MISSING_PHASE
The loss of one of the three input phases has
been detected. Check the mains supply to
the drive or blown fuses.
7
8 UTCREG
The upper controller temperature regulator
acve - current limit reduced. Check cooling.
4 UTSREG
Upper heat sink temperature regulator is
acve - current limit reduced. Check the
cooling.
2 Reserved Reserved
1 LVREG
Lower voltage regulator acve. Check the
mains voltage.
8
8 LOWVCC
Internal power supply fault. Contact us.
4 LOWTC
Low controller temperature. Contact us.
2 LOWTS
Low heatsink temperature. Contact us.
1 CAN LOSS Reserved
Example:
PDT shows the following:
0108 0200
Page 172
M58800880_H - Fault nding

Edwards GXS Series Specifications

General

Brand	Edwards
Model	GXS Series
Category	Water Pump
Language	English