Fig 13:DIP Switch bank A and B
Ⅵ.The Master Board Specifications and DIP switch jumper settings (Fig. 13)
A1: OFF:No preheating function.
ON:With preheating function.
A2: OFF:No circulation cleaning function.
ON:With circulation cleaning function.
A3: OFF: Ethink 4 wire 12v DC LED lights.
ON:12v AC 2 wire incandescent or LED lights.
A4: OFF:Display Celsius temperature.
ON:Temperature display can be selected by control panel. C or F.
A5: OFF:Can be equipped with up to two jet pumps. H220 or H380 heater.
ON:Can be equipped with three jet pumps. H380 heater only.
A6: OFF:When the temperature is abnormal or the sensor doesn’t detect the water, the
water pump and heater will stop working.
ON:Not used – leave off.
A7: OFF:With water flow sensor, if it detects no water flow, the heater will not work.
ON:Not used – leave off.
A8: OFF:With Ethink control panel.
ON:Not used – leave off.
B1: OFF:Normal mode.
ON:Not used – leave off.
B2: OFF:With radio function.
ON:Not used – leave off.
B3: OFF:The maximum working time for jet pump and blower is 25 minutes.
ON:The maximum working time for jet pump is 60 minutes and the blower
working time is 20 minutes.
Ⅶ. Warning and Error codes
1. When the system is showing any error code, please don’t use spa and go into water.
1.1 “E1”: The temperature sensor is short or open.
1.2 “FF”: The system detected that the temperature inside heater reach or over 48℃