Mitsubishi Electric JT-SB216JSH-W-E Handbook page 14

( 3 ) Control of the heater (Applicable models: JT-SB216JSH-W/H/S-E)
1 The heater turns ON simultaneously with the blower motor turns ON. (The heater lamp turns on.)
2 The heater does not turn ON in the following occasions:
• When the heater switch is turned "OFF"
• When the circuit thermostat detection temperature on the control circuit board (JT-30M3) is 32°C or higher
( 4 ) Turning ON/OFF of the blue illumination lamps
(Applicable models: JT-SB216JSH-W/H/S-E)
1 While the power is ON and the motor is stopping, switching the air speed switch six times within 5 seconds
turns off the blue illumination lamps. (The switching can be started from either side of HIGH or STANDARD.)
2 Also when turning the illumination lamps on from off, perform the switching in the same way as described in 1.
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