What does 'CALL SERVICE, WATER HEATER FAILURE' mean on Henny Penny AHC-993?
Check the heater relay and heater of your Henny Penny Commercial Food Equipment. This error is caused by a faulty relay or heater.
What to do if Henny Penny AHC-993 displays 'E-5 AIR TEMP TOO HOT'?
To resolve the 'E-5 AIR TEMP TOO HOT' error on your Henny Penny Commercial Food Equipment, begin by turning the switch to the OFF position, and then back to ON. If the display continues to show 'E-5', inspect the heating circuits and temperature probe. After the unit cools down, the controls should return to normal. If 'E-5' persists, have the PC board replaced. This error can be caused by a faulty relay, PC board, or air probe.
How to troubleshoot 'E-6A AIR TEMP SENSOR FAILED OPEN' on Henny Penny AHC-993 Commercial Food Equipment?
If your Henny Penny Commercial Food Equipment displays 'E-6A AIR TEMP SENSOR FAILED OPEN', turn the switch to the OFF position, then back to ON. Check the temperature probe and repair or replace it. Once the temperature probe is repaired or replaced, the controls should return to normal. If 'E-6' persists, have the PC board replaced. This error typically indicates a faulty air probe.
What does 'E-6B AIR TEMP SENSOR FAILED SHORTED' mean on Henny Penny AHC-993?
If your Henny Penny Commercial Food Equipment displays 'E-6B AIR TEMP SENSOR FAILED SHORTED', turn the switch to the OFF position, then back to ON. Check the temperature probe and repair or replace it. Once the temperature probe is repaired or replaced, the controls should return to normal. If 'E-6' persists, have PC board replaced. This error is caused by a faulty air temperature probe.
What to do for 'E-17 HUMIDITY SENSOR FAILED' on Henny Penny AHC-993 Commercial Food Equipment?
If your Henny Penny Commercial Food Equipment displays 'E-17 HUMIDITY SENSOR FAILED', turn the switch to the OFF position, then back to ON. Check the humidity sensor. Once the humidity sensor is repaired, or replaced, the controls should return to normal. If 'E-17' persists, have PC board replaced. This error is caused by a faulty humidity sensor.
Why is Henny Penny AHC-993 showing 'WATER PAN NOT FILLING, CHECK WATER SUPPLY'?
If your Henny Penny Commercial Food Equipment displays 'WATER PAN NOT FILLING, CHECK WATER SUPPLY', turn the water supply on. Adjust the flow control valve. Check the solenoid relay. Check the solenoid valve. This can be caused by the water supply being turned off, reduced water flow, a bad fill solenoid relay, or a bad fill solenoid.
What to do if Henny Penny AHC-993 shows 'E-80 VENT STUCK OR BAD SWITCH'?
If your Henny Penny Commercial Food Equipment displays 'E-80 VENT STUCK OR BAD SWITCH', check the vent on rear of module for obstructions, or have vent activation switch replaced. Loosen vent acorn nuts if necessary. This can be caused by a vent on rear of module stuck or faulty vent activation switch.
What to do when Henny Penny Commercial Food Equipment says 'WATER LEVEL LOW, PLEASE ADD WATER'?
If your Henny Penny Commercial Food Equipment displays 'WATER LEVEL LOW, PLEASE ADD WATER', fill the water pan, located at the bottom of the unit, to the maximum water fill mark. Note that this warning will not shut down the heat or humidity. The issue is that the water pan is low on water or empty.
Why is my Henny Penny AHC-993 Commercial Food Equipment steaming or making product soggy?
If your Henny Penny Commercial Food Equipment is steaming excessively or the product is soggy, decrease the humidity setpoint in Special Program Mode. Ohm out the probe and replace if necessary. Replace the humidity sensor. Replace the relay. If the vent is stuck closed, replace the vent motor, or the vent motor relay. Check alignment and condition of mechanical vent parts. Loosen vent acorn nuts if they are too tight. This can be caused by a humidity setpoint that is too high, a faulty water heater probe, a bad humidity sensor, a relay stuck closed, or a vent stuck closed.
How to fix 'E-54A CPU TEMP SENSOR OPEN' error on Henny Penny AHC-993?
If your Henny Penny Commercial Food Equipment is overheating and displaying 'E-54A CPU TEMP SENSOR OPEN', turn the switch to the OFF position, then back to ON. Re-initialize the control (see Programming Section). If the error code persists, have PC board replaced. The cause is a faulty PC board.
Overview of the troubleshooting section and its purpose.
Highlights critical safety warnings and alert symbols used in the manual.
Details the systematic approach to identify and resolve unit malfunctions.
Lists error codes, their causes, and recommended panel board corrections.
Explains how to use Info Mode to access historic operational data.
Introduces Level 2 programming modes for troubleshooting assistance.
Details accessing and using Tech Mode for diagnostics and calibration.
Explains how to access and interpret operational statistics in Stats Mode.
Describes modes intended primarily for Henny Penny service use.
Introduces maintenance procedures and provides general guidance.
Offers tips for using tools like multimeters during maintenance.
Step-by-step guide for humidity sensor calibration and replacement.
Procedure for replacing the air temperature sensing probe.
Instructions for replacing the air heater high limit safety device.
Guide for replacing the main control panel or PC board assembly.
Procedure for replacing the water heater high limit safety device.
Steps for removing and replacing the unit's vent motor.
Instructions for removing and installing the water pan assembly.
Lists replaceable parts for Henny Penny AHC-993 and AHC-990 models.
Emphasizes the importance of using only genuine Henny Penny parts.
Details the information required when ordering replacement parts.
Outlines the warranty coverage for replacement parts.
Lists recommended spare parts for distributors and service vans.
General| Brand | Henny Penny |
|---|---|
| Model | AHC-993 |
| Category | Commercial Food Equipment |
| Language | English |
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