Tokyo Hy-Power HL-1.5KFX User Manual page 14

has shut down the amplifier, check the antenna SWR, Vd , AC line voltage, or try to reduce the drive
level. To reset, turn off the POWER switch once, then back on again. The power transformer has an
overheat protection in the coil layer. If this temperature switch activates, the amplifier will put you in
receive mode with the cooling fan operating until the transformer has cooled off. It may take ten to fifteen
minutes to cool, depending upon room temperature. For more details on this protection circuit, see
Section 10.
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