h16tp(x - AJ Maskin AS

Repair manual10 - OPERATING INCIDENTS10.1 - INCIDENT TABLEBefore diagnosing a failure, check that:• the fuel tank is not empty,• the batteries are properly charged,• the turntable and platform "palm button" emergency stop buttons areunlocked,• the relays (platform control panel - turntable box) are correctly pushedinto their compartments, (see § 4.2, page 26).• the main tank oil level is OK,• the state of the fuses, (see § 4.2, page 26).• the electrovalves are working properly by checking the state of theLEDs in the turntable box.Check the state of the LEDs (see § 4.2, page 26):The LEDs inside the turntable box indicate the state of the electrovalves:• LED off: electrovalve present and not controlled,• LED on: electrovalve present and controlled.NB:If an electrovalve is not connected, the corresponding LED ispermanently on.Instructions:• Identify the defective function.• Machine power on but not started: check the presence of the electrovalves(LED off).• No electrovalve should be controlled (LED on).• Check that the outputs corresponding to the function are active usingthe LEDs and directly on the electrovalve heads.• If they are not active, check which inputs create the function.• Test the inputs with a voltmeter.67