68
SELF-DIAGNOSIS FUNCTION
ENGLISH
Operation restriction of the outdoor unit prior to maintenance
Make sure that both fuel gas electrical valve selecting switch and the engine operation
selecting switch are positioned in 「STOP/OFF」before an engine checkup.
WARNING
!
Move the fuel gas electrical valve selecting switch(SW01) to 「STOP/OFF」position.
→ It is a switch designed to restrict the motion of the fuel gas valve. In order to cancel it, move
the switch to 「STANDBY」position.
If the engine operation selecting switch(SW02) is positioned in 「STOP/OFF」, it will restrict the
engine operation and stop it.
→ It is a switch designed to restrict the operation of the engine. In order to cancel it, move the
switch to 「STANDBY」position.
CAUTION
Error message 157
If the “oil check” displays in the indoor unit remote control, it indicates that it is time to
replace the oil which has to be done every 10,000 hours.
If you do not get a maintenance check within 500 hours after the sign displayed, the indoor
unit will not be able to operate.
!