M-Audio RAD-050503 User Manual download pdf (Page 21)

113188-3 www.amdry.com 19

S.A.F.E. SYSTEM VALVE CHECK

The operation of the water solenoid valve can be tested to ensure that the water supply system and valve are

functional. Before attempting a system check, be sure that

ALL water supply shutoff valves to the dryer are in

the OPEN position, and the dryer must be in the READY mode where no cycle is loaded or in progress.

The procedure is as follows:

1. Press and hold the red STOP/CLEAR

key (while in READY mode and no cycle is in progress).

2. Press and hold the A key.

3. Water valve will open and water

will be dispensed into basket (tumbler) area as long as both keys are held.

The Phase 7 non-coin microprocessor controller (computer) will prompt the user to perform a Sensor Activated

Fire Extinguishing (S.A.F.E.) system valve check at every 4000 hours to ensure proper functionality. At the

4000 hour mark, the Phase 7 non-coin microprocessor controller (computer) will wait for end of the cycle and

then will prompt the user to PLEASE EMPTY TUMBLER, THEN PRESS THE STOP/CLEAR AND A

KEYS TO TEST THE WATER VALVE. When the STOP/CLEAR

and A keys are pressed, the Phase

7 non-coin microprocessor controller (computer) will activate the S.A.F.E. system water valve for 2-seconds, at

which point the Phase 7 non-coin microprocessor controller (computer) will prompt the user with the following

message IF WATER DID NOT TURN ON, CALL FOR SERVICE. THANK YOU.

NOTE: The Phase 7 non-coin microprocessor controller (computer) will not let the user continue until

the valve test has been completed.

S.A.F.E. SYSTEM DIAGNOSTICS MESSAGES

In the event that the Phase 7 non-coin microprocessor controller (computer) detects a fault in the S.A.F.E.

system, the Phase 7 non-coin microprocessor controller (computer) will display the message S.A.F.E. SYSTEM

DISABLEDREADY. To find out the reason for the S.A.F.E. system disabling, press and hold the red

STOP/CLEAR

and green START/ENTER keys. This will cause the Phase 7 non-coin microprocessor

controller (computer) to display one (1) of the following diagnostic messages:

OPEN THERMISTOR PROBE  This message indicates that the S.A.F.E. system thermistor probe is either

not connected or is damaged. If this condition is detected, the Phase 7 non-coin microprocessor controller

(computer) will immediately enter S.A.F.E. SYSTEM DISABLED Mode.

SHORTED THERMISTOR PROBE  This message indicates that the S.A.F.E. system thermistor probe is

damaged or the wiring is shorted. If this condition is detected, the Phase 7 non-coin microprocessor controller

(computer) will immediately enter S.A.F.E. SYSTEM DISABLED Mode.

DISCONNECTED WATER VALVE  This indicates that the water valve is open or that it is not connected

to the Phase 7 non-coin microprocessor controller (computer). If this condition is detected, the Phase 7 non-coin

microprocessor controller (computer) will continue to monitor the condition for a period of 5 minutes before

entering S.A.F.E. SYSTEM DISABLED Mode. Once the condition is corrected, the Phase 7 non-coin

microprocessor controller (computer) will continue to monitor the condition for 1 minute before exiting S.A.F.E.

SYSTEM DISABLED Mode.

SHORTED WATER VALVE  This indicates the water valve is shorted or the wiring to the valve is shorted.

If this condition is detected, the Phase 7 non-coin microprocessor controller (computer) will continue to monitor

the condition for a period of 5 minutes before entering S.A.F.E. SYSTEM DISABLED Mode. Once the

condition is corrected, the Phase 7 non-coin microprocessor controller (computer) will continue to monitor the

condition for 1 minute before exiting S.A.F.E. SYSTEM DISABLED Mode.

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M-Audio RAD-050503 User Manual Page 21

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