16
17
Code
Problem
Possible Cause
Remarks
E1
Freezing error
(freezing time
exceeds
60 min)
Refrigerant leaked or pipe blocked
Compressor not operating
Fan motor not operating
Ambient or water temperature too high
A/T: 45-100°F(7-38°C)
W/T: 45-90°F(7-32°C)
Voltage:
115V : 100~130V
220V : 208~230V
Voltage too high or too low
E2
Harvesting
error
(harvesting
time exceeds
20 min)
Refrigerant leaked or pipe blocked
Compressor not operating
Hot gas valve not operating
Evaporator temperature sensing error
Ambient or water temperature too low
A/T: 45-100°F(7-38°C)
W/T: 45-90°F(7-32°C)
Voltage:
115V : 100~130V
220V : 208~230V
Voltage too high or too low
E3
Evaporator
temp too high
(temp
>60°C(140
°
F)
Water temperature too high
W/T: 45-90°F(7-32°C)
Sensor or connector defect
PCB defect
E5
Water supply not
enough
(water supply
time exceeds
4 min)
Float switch not operating
Water valve not operating
Water pressure too low
W/P: 30-100psi
(206.8 ~ 689.4 kPa)
E6
Evaporator
sensor error
Sensor short-circuit or disconnected
E7
PCB error
PCB program error
3.6 Error Code
