andrews Fastflo WHC56 Service Manual page 18

Main Remote Control
(RC-7508M)
Display
Set Button
Speaker
Displaying the Maintenance Monitor
The Power On/Off Button can be set to either "ON" or "OFF" - unit operation will not be affected by this setting.
However, be sure to set the Power On/Off Button to "ON" after turning on the power.
<Display procedure>
1. Press and hold both the up [ ] and down [ ] selection buttons simultaneously for more than five seconds.
2. "Maintenance Monitor" display will appear along with the data no. and data.
3. Displaying data and switching data no.
(1) Press the up [ ] selection button to switch display to the next item no. Press the down [ ] set button to
switch display to the previous data no.
(2) Press the selection button to change to the ten's digit. Use the selection buttons [ ] and [ ] in the same
manner as (1) to make changes.
* If more than one Quick connect Multi System is installed, the mode shifts to the mode for switching the
device No. by pressing the selection buttons.
If the device No. is switched by pressing selection buttons [ ] and [ ], the data of each device is displayed.
device No.
00 Master (device to which the remote controller is connected)
01 Slave (device to which the remote controller is not connected)
The temperature of hot water etc. cannot be changed while Maintenance Monitors are displayed.
<Returning to Normal Mode>
1. To return to normal mode, press and hold both up [
more than two seconds. The unit will also return to normal mode if no buttons are pressed for 10 minutes.
<Displaying the Error code history>
1. After switching to the maintenance monitor mode, press the [
history 1.
2. Up to eight error histories are stored in memory from error code history 1 (most recent) to error code history
8.
3. If there is no error history, "000" will appear in the data.
4. To clear the error code history from memory, exit maintenance monitor mode, push the Power On/Off Button
to "OFF", and press and hold the [
history will not be cleared by turning off the power.
data
] and down [
] select button for more than 5 seconds (tone will sound). Error code
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Power On/Off Button / Lamp
Selection
Button
] of selection buttons simultaneously
] selection button to switch to error code