Specifications

15
Taco Bell STeamer TBS-2X & TBS-1X
P/N 1010698 Rev. G 06/08
TROUBLESHOOTING (continued)
Problem Possible Cause(s) Corrective Action
Unit only leaks water when
powered off.
Solenoid Valve is leaking due
to debris trapped within its
plunger and seat.
Disassemble the Solenoid Valve and clean
out the plunger. Reassemble and test. If the
a leak is still present, replace the Solenoid
Valve.
Solenoid Valve is installed
incorrectly.
If the Solenoid Valve was replaced, verify
that the “IN” and “OUT” labels on the valve
correspond to the water flow.
Unit only leaks water when
powered on.
Control Board inoperable or
problematic.
If 24 VAC is measured across the Solenoid
Valve Coil for over 2 seconds (with wires
still attached to the coil), replace the Control
Board.
No heat and the Green Ready Light
flashes continuously.
Generator is open. Verify that there are 13 Ohms for a 208 volt
generator and 17.5 Ohms for a 240 volt gen-
erator (plus or minus 1 Ohm). Replace if the
generator fails test.
Solid State Relay not closing. Verify that there is 7-10 VDC on relay
terminals 3 (+) 4(-). If present, check for line
voltage across relay terminals 1 and 2.
If present, replace the relay.
Control Board inoperable or
problematic.
Verify that there is 7-10 VDC on terminals
T5 & T3. If not present, replace the Control
Board.
Loose, burnt, or broken wires
in heater circuit.
Repair or replace wires.
Circuit is wired incorrectly. Verify that all wiring matches the Wiring
Diagram in this manual.
Unit does not operate, power switch
is on, but light is off.
Unit unplugged. Plug Power Cord into the appropriate outlet.
Circuit breaker is off. Reset the circuit breaker.
Power Cord defective or
inoperable.
Check for continuity.
Power Switch defective or
inoperable.
Green Ready Light and Yellow
Steaming Light turn on and off inter-
mittently.
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an overheating Generator.
Verify that the generator surface tempera-
ture is between 380°F–420°F. If the temper-
ature is above 420°F, contact your mainte-
nance person or Authorized Service Agency.
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turely.
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