Table of Contents
Advertisement
Troubleshooting tips
Troubleshooting tips
It the unit has some problem to work properly, error codes will be displayed on the wired remote controller.
The following table describes the explanation of the error codes.
Display
Air Vent
Manometer
Backup
heater (2kW)
T_w2
T_eva
HX_PHE
out
T_eva
in
T_w1
PWM
Pump
English
54
Short- or open-circuit error of the room temperature sensor of the Zone 2 indoor
unit (detected only when the room thermostat is used)
Short- or open-circuit error of the room temperature sensor of the Zone 1 indoor
unit (detected only when the room thermostat is used)
Wired remote controller thermistor SHORT or OPEN
Zone1 Water Outlet Themistor SHORT or OPEN
Zone2 Water Outlet Themistor SHORT or OPEN
Water Inlet thermistor SHORT or OPEN
PHE Outlet thermistor SHORT or OPEN
Water Outlet thermistor SHORT or OPEN
Water TANK thermistor SHORT or OPEN
Mixing Valve thermistor SHORT or OPEN
Water in
G3 KIT
Pressure
Relief v/v
3-Way V/V
3
T_w3
Flow
sensor
Explanation
Water out
Temperature &
pressure relief valve
Drain(Tundish)
T_tank
Booster
heater (3kW)
Wired
remote
controller
thermistor
E653
Water tank
thermistor
Advertisement
Table of Contents
