Troubleshooting Table 101 - Monogram 15900-012 Assembly

2. Troubleshooting
A. The troubleshooting information given in Table 101 deals with problems encountered during
testing of the toilet assembly. Before performing troubleshooting remedies, check all wiring
and electrical connections, pressurized hose connections and drain piping for general
condition. Repair/replace as required.
Trouble
Toilet tank does not rinse
during servicing.
Spray nozzle will not rotate
motor and pump operative.
Toilet tank floods during
servicing.
Solenoid valve assembly
leaking.
Monogram Sanitation
COMPONENT MAINTENANCE MANUAL
PN 15900-012 Series
Probable Cause
Solenoid valve assembly held Replace LLT.
closed.
Spray nozzle clogged or not
installed properly.
Solenoid valve assembly
stuck open.
Faulty or leaky solenoid valve Replace solenoid valve
assembly.
Troubleshooting
Replace solenoid valve
assembly.
Check power to solenoid
valve assembly and aircraft
wiring.
Clean and install parts
properly (refer to
DISASSEMBLY and
ASSEMBLY).
Replace LLT
Replace solenoid valve
assembly.
Check aircraft wiring of LLT
and solenoid valve assembly.
assembly.
Table 101
Corrective Action
38-31-07
Page 103
Jan 10/95