Monogram 15900-012 - Troubleshooting Common Issues

Monogram Sanitation
COMPONENT MAINTENANCE MANUAL
PN 15900-012 Series
38-31-07
Jan 10/95
Page 103
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.
Troubleshooting
Table 101
Trouble Probable Cause Corrective Action
Toilet tank does not rinse Solenoid valve assembly held Replace LLT.
during servicing. closed.
Replace solenoid valve
assembly.
Check power to solenoid
valve assembly and aircraft
wiring.
Spray nozzle will not rotate Spray nozzle clogged or not Clean and install parts
motor and pump operative. installed properly. properly (refer to
DISASSEMBLY and
ASSEMBLY).
Toilet tank floods during Solenoid valve assembly Replace LLT
servicing. stuck open.
Replace solenoid valve
assembly.
Check aircraft wiring of LLT
and solenoid valve assembly.
Solenoid valve assembly Faulty or leaky solenoid valve Replace solenoid valve
leaking. assembly. assembly.