Displaying Maintenance Monitors; Remote Controller - Noritz NR501-OD Service Manual

Displaying Maintenance Monitors

Press and hold the Mode Button for more than 2 seconds.
This can be done regardless if the unit is burning or not.
1. The maintenance monitor data No. will appear on the display for 2 seconds, and then the data will appear.
2. In order to switch to other maintenance monitor data, press either the up or down button once. The data No.
will then reappear, then different data No. can be selected using the up and down buttons.
When the maintenance monitor data No. is changed, the data No. will be displayed for 2 seconds, after
which the data will appear.
note) With the Remote Controller in maintenance mode, the hot water set temperature and flow meter alarm
cannot be adjusted.
Press and hold the Mode Button for more than 2 seconds,
or leave it alone for more than 10 minutes.
●Display Window
Display Window
Press and hold both the up [▲] and down [▼] Setting
Buttons simultaneously for more than 2 seconds.
This can be done regardless of whether the power
has been turned on or the unit is operating.
Press and hold both the up [▲] and down [▼] Setting
Buttons simultaneously for more than 2 seconds,
or leave it alone for more than 10 minutes.
●Remote Controller
Setting Button
Flow Meter Alarm Set Button
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Remote Controller

Power On/Off Button