67C3K11 9-8123456789Troubleshooting the PTT unit (PTT model)Symptom 1: PTT unit does not operateSymptom 2 Cause 1 Cause 2 Checking stepRefertopagePTT motor does notoperateBlown fuse — Check the fuse. 8-13PTT switch mal-function — Check the PTTswitch.7-54PTT relay malfunc-tion — Check the PTTrelay.7-53Short or open con-nection in PTTmotor circuit—Check the wiringharness continuity.WDPTT motor malfunc-tion —Disassemble andcheck the PTTmotor.7-35PTT motor oper-ates, but the tilt ramdoes not extendManual valve leftopenManual valve mal-functionCheck the manualvalve.7-43Insufficient PTTfluid — Add sufficient fluid. 3-13PTT fluid leakage — Check the PTT unitfor leakage.7-47Clogged filter—Disassemble andcheck the PTT unit.7-42Clogged fluid pas-sagesMalfunction of thePTT unit internalpartsWD: See the wiring diagram.Troubleshooting the outboard motor
