Alarm Operation Display Panel REMOTE RUN AL ARM SEL ENT START/STOP RESET q w e u y t r !0 o i TEMP PV 20.0 °C FLOW PV 20.2 LPM PRESS. 0.56 MPa No. Description Function [START/STOP] key [RESET] key [SEL] key [ENT] key [��] [�云 key [��] key [REMOTE] indicator [RUN] indicator [ALARM] indicator Operating condition of this unit/Circulating fluid discharge temperature/Circulating fluid flow/ Circulating fluid discharge pressure/Setting value/Alarm message, etc. are displayed. Starts/Stops the operation. Stops the alarm buzzing. Resets the alarm. Switches the display. Decides the settings. Moves the cursor and changes the setting values. Moves the cursor. Lights up when the unit is in the remote status. Lights up when the unit is in the operating status. Lights up when the unit is alarming. LCD This unit can display 28 kinds of alarm messages as standard. Also, it can read out the serial RS-485 communication. Alarm code Alarm message Operation status Main reason 01 02 03 04 05 06 07 08 09 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Water Leak Detect FLT Incorrect Phase Error FLT RFGT High Press FLT CPRSR Overheat FLT Reservoir Low Level FLT Reservoir Low Level WRN Reservoir High Level WRN Temp. Fuse Cutout FLT Reservoir High Temp. FLT Reservoir High Temp. WRN Return Low Flow FLT Return Low Flow WRN Heater Breaker Trip FLT Pump Breaker Trip FLT CPRSR Breaker Trip FLT Interlock Fuse Cutout FLT DC Power Fuse Cutout WRN FAN Motor Stop WRN Internal Pump Time Out WRN Controller Error FLT Memory Data Error FLT Communication Error WRN DI Low Level WRN Pump Inverter Error FLT DNET Comm. Error WRN DNET Comm. Error FLT CPRSR INV Error FLT Stop Stop Stop Stop Stop Continue Continue Stop Stop Continue Stop Continue Stop Stop Stop Stop Continue Continue Continue Stop Stop Continue Continue Stop Continue Stop Stop Liquid deposits in the base of this unit. The power supply to this unit is incorrect. Pressure in the refrigeration circuit has exceeded the limitation. Temperature inside the compressor has increased. The amount of circulating fluid is running low. The amount of circulating fluid is running low. Filling the circulating fluid too much. Temperature of the circulating fluid tank is raised. Temperature of the circulating fluid has exceeded the limitation. Temperature of the circulating fluid has exceeded the limitation set by the customer. The circulating fluid flow has gone below 6 L/min. The circulating fluid flow has gone below the limitation set by the customer. Protection device for the electric circuit of the heater is activated. Protection device for the electric circuit of the circulating pump is activated. Protection device for the electric circuit of the compressor is activated. Overcurrent is flown to the control circuit. Overcurrent has flowed to the (optional) solenoid valve. Cooling fan inside the compressor has stopped. The internal pump continuously run for more than a certain period of time. The error occurred in the control systems. The data stored in the controller of this unit went wrong. The serial communications between this unit and customer’s system has been suspended. DI level of the circulating fluid has gone below the limitation set by the customer. (Option) An error has occurred in the inverter for the circulating pump. The alarm is only for the HRZ010-W�ｭS. The DeviceNet communications between this unit and customer’s system has been suspended. (Only for DeviceNet communication specification - option D) An error has occurred in the DeviceNet communication system of this unit. (Only for DeviceNet communication specification - option D) An error has occurred in the inverter for the compressor. The alarm is only for the HRZ010-W�ｭS. Series HRZ 1338