Panasonic NR-B53V1 Service Manual

Also see for NR-B53V1: Operating instructions User manual

Contents

Panasonic NR-B53V1 Service Manual Manual pdf 38 page image

388 Test ModeEach test mode needs to perform the following procedures incommon.1. Plug off or power supply off.2. Power supply on after short-circuiting the appointedpositions.3. Test mode ends, plug off or power supply off and removethe short-circuiting points.8.1. Compulsion FC Defrost ModeCompulsion FC defrost: To be making short-circuit of No.75 pin(TEST 1) and GRD in IC1.• Normal control the same, without pre-cooling action, FCdefrost mode begins.• When FC defrost mode ends, changes the normal controlmode.8.2. Compulsion PC Defrost ModeCompulsion PC defrost: To be making short-circuit of No.70 pin(TEST 4) and GRD in IC1.• Normal control mode the same, without pre-cooling action,PC defrost mode begins.• When PC defrost mode ends, changes the normal controlmode.8.3. Change the Rotation Speed ofCompressorTo fix the rotation speed of compressor: To be making short-circuit of No.76 pin (TEST 0) and GRD in IC1. Then press " "button one by one.Rotation speed of compressor can select definite revel from R1to R6.