Antunes, AJ MS-150/155 owner manual Hi-Limit Reset Button, Fault Codes, Status Indicator LEDs

Hi-Limit Reset Button

A hi-limit thermostat turns off electrical power to the steam generator if it overheats. To reset this thermo- stat, allow approximately 45 minutes for the unit to cool down, remove the black cap, and then press the black reset button located on the rear of the unit (Figure 7). If the unit requires continuous resetting, contact your Roundup authorized service agency.

Power Cord

Figure 7. Hi-Limit Reset Button (MS-150 shown)

Fault Codes

When the programming parameters for Minutes/ Seconds/SHO/H2O have been inadvertently changed below or above their limits, the unit displays the “ERR” fault code. If this code appears, clear these settings using the procedure below:

1.Turn the unit off.

2.Press and hold the Program and Start/Stop buttons simultaneously (for all units except MS- 150/250 with Mfg. number 9100424, 432, 433 & 439) or Up and Down Arrow buttons for MS- 150/250 with Mfg. number 9100424, 432, 433, & 439 only).

3.Turn the unit on while holding the appropriate buttons. Release the buttons when the unit stops beeping,

4.The display will now register the cycle time.

NOTE: Repeat these steps if the unit still displays the ERR fault code.

NOTE: It is recommended that the SHO and H2O settings be adjusted to the recommended settings shown in the Programming section of this manual.

Status Indicator LEDs

The Miracle Steamer’s Control Board has 4 Status Indicator LEDs described below:

Green (Program): When lit, indicates the unit is in Program mode.

Yellow (Audio): When lit, indicates 10-15 VDC is being supplied to the audio signal. The audio signal sounds and the LED lights for approximately 3 seconds.

Red (Heat): When lit, indicates the Control Board is calling for heat by supplying 10-15 VDC to the Solid State Relay. When off, indicates that the unit is satis- fied.

Green (H2O): When lit, indicates that 24 VAC is being supplied to operate the solenoid valve (MS-250/255) or water pump (MS-150/155/355). This LED is only lit for approximately 1 second.

POWER

The “ERR” Fault Code