18
Troubleshooting
Troubleshooting
Remote Controller
The Power indicator does not light up.
• Has there been a power failure?
• Is the power connected properly?
The water temperature changes after a power
failure or when the power is disconnected.
• The temperature setting and the flow meter
alarm setting may both need to be reset after a
power outage.
The clock display shows “- : - -”.
• If the time is not displayed on the clock, either
a power failure has occured or power was
disconnected resulting in the display showing
“- : - -”. (See page 4)
The flow meter alarm does not sound or it sounds
before the tub has been filled to the set amount.
• The flow meter alarm is set to sound when hot
water is continuously discharged for the set
volume of water.
If hot water is used for other fixtures while filling
the tub, the alarm will sound before the tub is
full.
• If mixing valves are used, or if cold water is mixed
with hot water at the fixture, the tub will fill
more than the setting of the flow meter alarm.
The setting cannot be changed when a button is
pressed.
• The Remote Controller is locked. While the
Remote Controller is locked these buttons
the
PROG
button, the
MENU
button, and the /
buttons cannot be used. (See page 9)
[For recirculation systems]
Flame Indicator lights up or goes out.
• During recirculation operation, the Water Heater
will turn on and off to keep the hot water pipes
up to temperature.
• This section only covers issues with the Remote
Controller. To diagnose issues with the Water
Heater, consult the Owner’s Guide supplied with
the Water Heater.
Checking for Error Conditions
When a failure occurs, information relating to the
error blinks on the display.
The error alarm may also continuously sound.
For additional details on the cause of the error
displayed, refer to the “Troubleshooting” section in
the Owner’s Guide provided with the Water Heater.
[Error Code Display Screen]
Blinking
Blinking
The display may indicate the type of
failure that has occurred depending
on the system configuration.
Blinking
Stop the Error Alarm
Press the
ALARM OFF
button (the indicator will turn
off).
SHB8126(1)取説RC-9018M.indd 18
2019/08/30 16:41:53
