... ERRO signal, a Φ 3.0 green/orange double color lamp instructions compressor open/stop state, a ... . master control board1, digital pipe specifications: 30 * 14 mm, blue-ray digital tube.2, 4 buttons: POWER, ... into standby mode. LED instructions:POWER indicator is double color LED lights. Orange/Green respectively.After power ... to:When the battery voltage more than 14 V, close relays and charging.When the ...