Owner`s manual

4211-145 06-25-10
AK 17, 20, 30, 3K20, 3K24, 3K28 & 3K36
System Installation and Service Instructions
Page 18
Master unit is inoperable.
Slace unit(s) are OK.
Ak or 3K Master PCA is faulty.
Call Steam Technical Support.
1. Make sure the Slave control cable is connected.
2. In the Master unit move the Slave control cable to the unused
connector on the Master PCA.
3. a. If symptoms disappear replace the Master PCA. If problem remains
call Steam Technical Support.
b. If symptoms remail the same, go to table 2.
Ak or 3K Master PCA is faulty.
or
Slave control cable is faulty
or
Slave unit is faulty
Master unit is OK.
Only the Slave unit is
inoperable.
1. In the Master unit swap the Slave control cables on the Master PCA.
2. If the symptoms move to the other Slave unit replace the Master PCA.
3. If the symptoms move to the other Slave unit, swap the Slave generator
ends of the Slave control cable between the Slave units.
4. If the symptoms move to the other Slave unit, the slave control cable
connected to be the inoperable Slave unit is faulty- replace it.
5. If the symptoms remain the same, go to Table 2
AK or 3K Master PCA unit faulty
or
Slave control cable is faulty
or
Slave unit is faulty
Master unit is OK.
One of 2 Slave units is
inoperable.
SYMPTOMS PROBABLE CAUSES ACTION TO BE TAKEN
Master unit is OK.
Both Slave units are inoperable.
Slave control cables are faulty
or
AK or 3K Master PCA unit faulty
1. Make sure the Slave control cable is connected.
2. Replace the Master PCA unit.
TABLE 2
TABLE 1
Master control “OFF”
Water won’t shut off and runs
out of the Slave unit’s steam
head.
Water solenoid valve is stuck open.
or
AG PCA is faulty
or
Slave control cable is faulty
or
AK or 3K Master PCA unit is faulty
1. Turn off power to the Slave Generator. If the water stops, go to step 3.
2.a. Remove the water solenoid valve, disassemble, clean, re-assemble,
and check for proper operation. b. Replace valve. If problem remains, call
Steam Technical Support.
3.a. Unplug the Slave control cable connected to the Slave unit.
b. Turn ON power to the Slave unit.
c. If water stops running, replace the PCA in the Master unit.
d. If the water doesn’t stop running, call Steam Technical Support.
Master Unit Steams.
Slave unit won’t steam.
Improper or no power supplied
or
No water Supplied
or
Plugged water solenoid valve
or
Water level probe is faulty
or
Burnt out heating elements
or
AG or 3G PCA is faulty
or
Slave control cable is faulty
or
AK or 3K in the Master unit is faulty.
1.a. Make sure the circuit breaker to the Slave unit is “ON”.
b. Using a voltmeter, check the voltage across the two fuses on the Slave
PAL. Voltage should be 208/240V.
c. Check fuses on the Slave PAL. If fuse(s) are blown, replace with
equivalent fuse. If the fuse blows again- Call Steam Technical Support.
2. Check for proper water supply (supply valve “ON”) to Slave unit.
3. Check for Slave (or common) drain valve closed.
4.a. Push the Master unit’s control “OFF”.
b. Open the Slave (or common) drain valve allowing tank to drain
completely.
c. Close the drain valve.
d. Push the Master unit’s control “ON”.
e. Unit will begin filling. Listen for a click noise on the slave unit. Within
20 seconds after click noise is heard, the water fill will shut off. This will
indicated the Slave tank is full. If the tank does not fill - see Symptoms:
“Slave won’t fill up”
5. If the Slave tank has filled but the relay click was not heard, temporarily
ground the two long probes of the water level probe. If the click is heard
as both the probes are grounded, check probe wiring, if ok -replace the
level probe. If the click is not heard go to step 6.
6. Call Steam Technical Support.
Continued on next page.