M-Audio RAD-050503 User Manual download pdf (Page 81)

113188-3 www.amdry.com 79

FLAME FAULT  After the Phase 7 non-coin microprocessor controller (computer) has verified that the gas

valve signal was present throughout the Direct Spark Ignition (DSI) purge time and the DSI proof time, the

Phase 7 non-coin microprocessor controller (computer) will continue to monitor the gas valve return signal. In

the event that the gas valve return signal is lost anytime after the DSI proof time, the Phase 7 non-coin

microprocessor controller (computer) will turn off the heat output and increase a counter. Once this fault

condition occurs five (5) consecutive times, the Phase 7 non-coin microprocessor controller (computer) will

interrupt the cycle, display Flame Fault condition, and go into a Fault Mode with a brief audio indication. If the

basket (tumbler) temperature is above 100° F (38° C), the Phase 7 non-coin microprocessor controller (computer)

will continue to display Flame Fault, while the dryer cools by running with no heat for 3 minutes or until the

temperature drops below 100° F (38° C). Once the basket (tumbler) temperature is below 100° F (38° C), or the

3 minutes expire, the Phase 7 non-coin microprocessor controller (computer) will shut off ALL outputs and will

remain in Fault Mode until the dryer is addressed.

BURNER PURGE FAULT  If the Phase 7 non-coin microprocessor controller (computer) detects the presence

of the gas return signal before sending the heat signal out, the Phase 7 non-coin microprocessor controller

(computer) will trigger a Burner Purge Fault condition and will go into Fault Mode with a brief audio indication.

The dryer will run with no heat for 3 minutes or until the temperature drops below 100° F (38° C). Once the

basket (tumbler) temperature is below 100° F (38° C), or the 3 minutes expire, the Phase 7 non-coin microprocessor

controller (computer) will shut off ALL outputs and will remain in Fault Mode until the dryer is addressed.

BURNER HIGH-LIMIT FAULT  This routine monitors the burner high-limit switch. If the switch opens

during the cycle while the heat is on, the dryer will display Burner High-Limit Fault and will go into Fault Mode

with a brief audio indication. The Phase 7 non-coin microprocessor controller (computer) will check the basket

(tumbler) temperature. If the exhaust probe temperature is above 100° F (38° C), the dryer will continue to

display Burner High Limit Fault, while the dryer cools by running with no heat for 3 minutes or until the

temperature drops below 100° F (38° C). Once the exhaust probe temperature is below 100° F (38° C), or the

3 minutes expire, the Phase 7 non-coin microprocessor controller (computer) will shut off ALL outputs and will

remain in Fault Mode until the dryer is addressed.

CHECK CONTROL BOARD FUSE #2  This routine identifies the opening of the main fuse (fuse 2) on the

Phase 7 non-coin microprocessor controller (computer) board. If the fuse has opened, the Phase 7 non-coin

microprocessor controller (computer) will not allow a cycle to begin and will display a Check Control Board

Fuse #2 condition. If the fuse has opened after the cycle has begun, it will still trigger the check main fuse fault.

The dryer will shut off ALL outputs and will go into Fault Mode with a brief audio indication.

CLEAN LINT  This routine monitors the opening of the lint drawer switch and compares the time between

openings to the Lint Cleaning Frequency Setting. This routine will first prompt the user to clean lint before

locking out the dryer. Once the time between cleanings is equal to the Lint Cleaning Frequency Setting, the

display will prompt the user to clean lint. The Lint Cleaning Frequency limits the amount of time the dryer will

run before the Phase 7 non-coin microprocessor controller (computer) locks the dryer out for further use. If the

lint drawer is not cleaned within 2 hours of run time, the Phase 7 non-coin microprocessor controller (computer)

will be locked out.

EE PROM FAULT ###  Error in memory location. The ### indicates the location of the fault.

EXHAUST HIGH-LIMIT FAULT  This routine monitors the basket (tumbler) safety over temperature

switch. If the switch opens, the dryer will display Exhaust High-Limit Fault and will go into Fault Mode with

a brief audio indication. If the basket (tumbler) temperature is above 100° F (38° C) the dryer will continue to

display Exhaust High-Limit Fault, while the Phase 7 non-coin microprocessor controller (computer) cools by

running with no heat for 3 minutes or until the temperature drops below 100° F (38° C). Once the basket

(tumbler) temperature is below 100° F (38° C), or the 3 minutes expire, the Phase 7 non-coin microprocessor

controller (computer) will shut off ALL outputs and will remain in Fault Mode until the dryer is addressed.

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M-Audio RAD-050503 User Manual Page 81

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